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Q: Which the the numbers 19 21 23 and 25 has the most factors?

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A factor is a divisor - a number that will evenly divide into another number. The greatest common factor of two or more numbers is the largest factor that both numbers have in common. One way to determine the common factors and greatest common factor is to find all the factors of the numbers and compare them. The factors of 19 are 1 and 19. The factors of 21 are 1, 3, 7, and 21. The only common factor is 1. Therefore, the greatest common factor is 1, which means the numbers are relatively prime.

The factors of 21 are 1, 3, 7, and 21. The factors of 49 are 1, 7, and 49.

19 is a prime number. Its only factors are 1 and 19. 21 is a composite number. Its factors are 1, 3, 7, and 21. 23 is a prime number. Its only factors are 1 and 23.

Related questions

21 has the most factors of the given numbers.

Out of that group, 21 has the most factors.

Out of that group, 21 has the most factors.

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which of the numbers 19 21 23 and 25 has the most factors

21 does.

21 has the most factors of the four numbers. 19 has 2 factors (1 and 19) 21 has 4 factors (1, 3, 7, 21) 23 has 2 factors (1, 23) 25 has 3 factors (1, 5, 25)

It is: 21 which has four factors of 1 3 7 and 21

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24 does.

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