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What are the greatest common factor of 21 and 19?
If 1 is considered a factor, the only common factor of 21 & 19 is 1, because 19 is a prime number. I'm not sure whether 1 is considered a factor since it does not reduce the original number and it's not a prime number.
Which number has the most factors 19 23 21 25?
21
What is the greatest common factor of 19 and 21?
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.
What is 21 over 19 in mixed number?
21/19 = 12/19
Greatest common factor of 19 and 21?
1
What number is it has 90 as a factor thre number is prime 21 is the multiple of the number?
If 21 is a multiple of the number, the number cannot have 90 as a factor.
What number is greater than 25 that has more factors than 19 21 23 and 25?
which of the numbers 19 21 23 and 25 has the most factors
What is the greatest common factor of 21 and 43?
The greatest common factor of 21 and 39 is 3
Why is 21 the greatest common factor in 21 and 63?
Because 21 is a factor of 63. 21 is the greatest factor of 21. A larger number doesn't exist.
What is the composite number for 21?
The only composite factor of 21 is 21.
What are factors of 21 and 19?
The only common factor is 1.
Is 21 a factor of 24?
No 21 is not a factor of 24. In order for a number to be a factor of another number, x number times n number must equal the number you are trying to factor. Below is a self made image that explains factoring and shows you how to factor 24.
