What is the Greatest Common Factor of 29975 and 29990?

Greatest common factor (GCF) of 29975 and 29990 is 5.

GCF(29975,29990) = 5

We will now calculate the prime factors of 29975 and 29990, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 29975 and 29990.

How to find the GCF of 29975 and 29990?

We will first find the prime factorization of 29975 and 29990. After we will calculate the factors of 29975 and 29990 and find the biggest common factor number .

Step-1: Prime Factorization of 29975

Prime factors of 29975 are 5, 11, 109. Prime factorization of 29975 in exponential form is:

29975 = 5² × 11¹ × 109¹

Step-2: Prime Factorization of 29990

Prime factors of 29990 are 2, 5, 2999. Prime factorization of 29990 in exponential form is:

29990 = 2¹ × 5¹ × 2999¹

Step-3: Factors of 29975

List of positive integer factors of 29975 that divides 29975 without a remainder.

1, 5, 11, 25, 55, 109, 275, 545, 1199, 2725, 5995

Step-4: Factors of 29990

List of positive integer factors of 29990 that divides 29975 without a remainder.

1, 2, 5, 10, 2999, 5998, 14995

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 29975 and 29990. The biggest common factor number is the GCF number.
So the greatest common factor 29975 and 29990 is 5.

Also check out the Least Common Multiple of 29975 and 29990