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Updated: 21 January 2020 12:29:00 AM

# What equals 15 in multiplication?

15 = 1 x 15 or 3 x 5. Factors of 15: 1, 3, 5, 15.

## Considering that fact, what division equation equals 15?

You can prove this by taking 225 and dividing it by 15, and you will see that the answer is 15. Tip: For future reference, when you are presented with a problem like "What divided by 15 equals 15?", all you have to do is multiply the two known numbers together.

## With that knowledge in mind, what can equal 25 in multiplication?

Solution: The factors of 25 are 1, 5, and 25 but when we divide 25 by 6, 8, and 9, it leaves a reminder.

## Similarly, what times what can equal 20?

- 5 x 4 equals 20 etc.

#### Is 6 a multiple or a factor of 12?

The factors of 12 are 1, 2, 3, 4, 6, and 12, because each of those divides 12 without leaving a remainder (or, alternatively, each of those is a counting number that can be multiplied by another counting number to make 12).

#### How many factors are there in 17?

The two numbers which get multiplied and produce the result as 17, then these numbers are the factors of 17. Since 17 is a prime number, therefore it has only two factors, i.e. 1 and 17.

#### Is 73 composite or prime?

For 73, the answer is: yes, 73 is a prime number because it has only two distinct divisors: 1 and itself (73).

#### What are 81 factors?

Factors of 81
• Factors of 81: 1, 3, 9, 27, 81.
• Negative Factors of 81: -1, -3, -9, -27 and -81.
• Prime Factorization of 81: 34 or 3 × 3 × 3 × 3.

#### What is a multiple and factor of 12?

As we already discussed, multiples are the n-times of any given number. The multiples of 12 are 12, 36, 48, 60, 72, 84, 96, and so on. The factors of 12 are 1,2,3,4,6 and 12.

#### What is the smallest prime number?

The first 1000 prime numbers
113
1–20241
21–4073137
41–60179241
61–80283367

#### Is 72 prime or composite?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number. The number 72 can be evenly divided by 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36 and 72, with no remainder. Since 72 cannot be divided by just 1 and 72, it is a composite number.

#### What number is a multiple of 12?

The multiples of 12 are 12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 132, 144,…

#### What is the factor of 15?

Factors of 15: 1, 3, 5, 15. Factors of 16: 1, 2, 4, 8, 16. Factors of 17: 1, 17.

#### What is 17 a factor of?

Table of Factors and Multiples
FactorsMultiples
1, 3, 5, 1515135
1, 2, 4, 8, 1616144
1, 1717153
1, 2, 3, 6, 9, 1818162

#### Which is the smallest factor of 15?

So, 1 is the smallest factor of 15.

#### What has a sum of 17 and a difference of 7?

Answer :- Those numbers are 12 and 5.

#### Is 17 prime or composite?

Yes, 17 is a prime number because it only has two factors, 1 and 17. Is 51 a prime number? No, 51 is NOT a prime number because it has more than two factors. 51 is a composite number and can be factored by any of the following numbers: 1, 3, 17, 51.

#### What two numbers make 17?

The two factors of 17 are 1 and 17.

#### What are multiples of 90?

Multiples of 90 are 90, 180, 270, 360, 450, 540, . Multiples of 60 are 60, 120, 180, 240, 300, 360, 420, 480, 540.

#### What are the first 5 multiples of 72?

Multiples of 72
• First five multiples of 72: 72, 144, 216, 288, and 360.
• Prime factorization of 72: 72 = 2 × 2 × 2 × 3 × 3.

#### What are the first 10 multiples of 11?

Multiples of 11
11, 22, 33, 44, 55, 66, 77, 88, 99, 110,

#### What are the first multiples of 10?

Multiples of 10 are numbers like 10, 20, 30, 40, 50, 60, and so on.

#### What is the set factor of 12?

The set of factors of twelve, {1, 2, 3, 4, 6, 12}, is a list of possibilities for the number of people who would receive gumballs.

#### What are the two factors of 12?

So 1, 2, 3, 4, 6 and 12 are factors of 12.

#### What gives you 72 in multiplication?

Well, Factors of 72 are the numbers, that when multiplied together in a pair of two return the result as 72. Therefore, 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72 are the factors of 72.

#### Why is 72 not a prime number?

For 72, the answer is: No, 72 is not a prime number. A composite number is a number that can be divided evenly by more numbers than 1 and itself. The number 72 can be evenly divided by 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36 and 72, with no remainder. Since 72 cannot be divided by just 1 and 72, it is a composite number.

#### What numbers added together equal 16?

You would find all pairs of numbers that when multiplied together resulted in 16. We know 2 and 8 are factors of 16 because 2 x 8 = 16. 4 is a factor of 16 because 4 x 4 = 16. Also 1 and 16 are factors of 16 because 1 x 16 = 16.

#### What three numbers make 15?

15 is a composite number. 15 = 1 x 15 or 3 x 5.

#### What are multiples of 72?

Basically, multiples of 72 give extended time table of 72, such as, 72, 144, 216, 288, 360, 432, 504, 576, 648 and so on. To find the factors of a number, 72, we will use the factorization method.

#### What are the multiples of 81?

The first 10 multiples of 81 are 81, 162, 243, 324, 405, 486, 567, 648, 729 and 810. Therefore, Sum of first 10 multiples: 81 + 162 + 243 + 324 + 405 + 486 + 567 + 648 + 729 + 810 = 4455.