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Q: 20 and 50 what prime factor do they have in common?
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What are the prime factors of 20 not true for 50?

4 is a prime factor of 20 whereas it isn't a factor of 50.


What is the greatest common factor of 15 24 and 72 and 63 20 and 50?

The GCF of 15, 24, and 72 is 3. There is no GCF for 63, 20, and 50. This makes it relatively prime.


What is the common factor for 20 of 50?

The common factors of 20 and 50 are: 1, 2, 5, 10.


What is the greatest common factor fro 70 and 50?

Same as the greatest common factor of 50 and 20 - where 20 is the remainder of the division of 70 by 50.


What is the least common factor of 20 and 50?

The factors of 20 are 1, 2, 4, 5, 10, and 20. The factors of 50 are 1, 2, 5, 10, 25, and 50. The common factors of 20 and 50 are 1, 2, 5, and 10. Therefore, the least common factor (the smallest common factor) is 1.


What is the greatest common factor between 35 50 and 7?

It is 1 because 7 is a prime number and is not a factor of 50


What is the composite number between 20 and 50 whose prime factor is 21?

21 is not a prime factor, it is 3 x 7


What is the greatest common factor of -50 and 20?

The GCF of 20 and 50 is 10. 50-(1,2,5,10,25,50) 20-(1,2,4,5,10,20)


What are the common factors of 15 18 20 and 50?

The only common factor of 15, 18, 20, and 50 is 1.


What is the greatest common factor of 37 and 50?

The greatest common factor of a prime and a composite number is 1 if the composite number is not divisible by the prime number. 37 is a prime number and 50 is a composite number. Also, 50 is not divisible by 37 therefore GCF = 1.


Greatest common factor of 50 and 20?

20:1,2,4,5,10,20 50:1,2,5,10,25,50 GCF:10


What is the GCF of 20 35 50?

The greatest common factor of the numbers 20, 35 and 50 is 5.