What is the Greatest Common Factor of 29972 and 29978?

Greatest common factor (GCF) of 29972 and 29978 is 2.

GCF(29972,29978) = 2

We will now calculate the prime factors of 29972 and 29978, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 29972 and 29978.

How to find the GCF of 29972 and 29978?

We will first find the prime factorization of 29972 and 29978. After we will calculate the factors of 29972 and 29978 and find the biggest common factor number .

Step-1: Prime Factorization of 29972

Prime factors of 29972 are 2, 59, 127. Prime factorization of 29972 in exponential form is:

29972 = 2² × 59¹ × 127¹

Step-2: Prime Factorization of 29978

Prime factors of 29978 are 2, 13, 1153. Prime factorization of 29978 in exponential form is:

29978 = 2¹ × 13¹ × 1153¹

Step-3: Factors of 29972

List of positive integer factors of 29972 that divides 29972 without a remainder.

1, 2, 4, 59, 118, 127, 236, 254, 508, 7493, 14986

Step-4: Factors of 29978

List of positive integer factors of 29978 that divides 29972 without a remainder.

1, 2, 13, 26, 1153, 2306, 14989

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 29972 and 29978. The biggest common factor number is the GCF number.
So the greatest common factor 29972 and 29978 is 2.

Also check out the Least Common Multiple of 29972 and 29978