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Q: What are the proper factors of 15 are?

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The proper factors are of 45 are 3, 5, 9, and 15

1 3 5 15.

Factors are the numbers you multiple together to get another number. 15: 1, 3, 5, 15

3, 5

The proper factors of 30 are 2, 3, 5, 6, 10 and 15

3, 5, 15, 25

The proper factors of 30 are: 1 ,2, 5, 10 and 15. Proper factors are all the numbers that equally go into a number except the number itself! :) * * * * * Why are 3 and 6 excluded?

The factors of 45: 1, 3, 5, 9, 15, 45.

The factors of 45: 1, 3, 5, 9, 15, 45.

2, 3, 5, 6, 10, 15

2, 3, 5, 6, 10, 15

The factors of 375 are: 1, 3, 5, 15, 25, 75, 125, 375.

One has no proper factors.

Factors are the numbers that evenly divide into a given number.Proper factors are all the factors of the number except the number itself. Some definitions do not allow the number 1, either. If you distinguish between proper factors and proper divisors, proper factors do not include 1, but proper divisors do.Examples:All factors of 54 are 1, 2, 3, 6, 9, 18, 27, and 54.Proper factors of 54 are 2, 3, 6, 9, 18, and 27.Proper divisors of 54 are 1, 2, 3, 6, 9, 18, and 27.All factors of 9 are 1, 3, and 9.Proper factors of 9 are only 3.Proper divisors of 9 are 1 and 3.All factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30.Proper factors of 30 are 2, 3, 5, 6, 10, and 15.Proper divisors of 30 are 1, 2, 3, 5, 6, 10, and 15.All factors of 100 are 1, 2, 4, 5, 10, 20, 25, 50, and 100.Proper factors of 100 are 2, 4, 5, 10, 20, 25, and 50.Proper divisors of 100 are 1, 2, 4, 5, 10, 20, 25, and 50.All factors of 120 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, and 120.Proper factors of 120 are 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, and 60.Proper divisors of 120 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, and 60.

No. Some proper factors are prime.

No, no prime number has proper factors.

One has no proper factors.

1 doesn't have proper factors.

2, 3, 5, 6, 10, 15

Prime numbers don't have proper factors.

Prime numbers don't have proper factors.

The proper factors of 26 are 2 and 13

The proper factors of 35 are 5 and 7.

Prime numbers don't have proper factors.

Prime numbers don't have proper factors.