What is the Greatest Common Factor of 74972 and 74980?

Greatest common factor (GCF) of 74972 and 74980 is 4.

GCF(74972,74980) = 4

We will now calculate the prime factors of 74972 and 74980, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 74972 and 74980.

How to find the GCF of 74972 and 74980?

We will first find the prime factorization of 74972 and 74980. After we will calculate the factors of 74972 and 74980 and find the biggest common factor number .

Step-1: Prime Factorization of 74972

Prime factors of 74972 are 2, 18743. Prime factorization of 74972 in exponential form is:

74972 = 2² × 18743¹

Step-2: Prime Factorization of 74980

Prime factors of 74980 are 2, 5, 23, 163. Prime factorization of 74980 in exponential form is:

74980 = 2² × 5¹ × 23¹ × 163¹

Step-3: Factors of 74972

List of positive integer factors of 74972 that divides 74972 without a remainder.

1, 2, 4, 18743, 37486

Step-4: Factors of 74980

List of positive integer factors of 74980 that divides 74972 without a remainder.

1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 163, 230, 326, 460, 652, 815, 1630, 3260, 3749, 7498, 14996, 18745, 37490

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 74972 and 74980. The biggest common factor number is the GCF number.
So the greatest common factor 74972 and 74980 is 4.

Also check out the Least Common Multiple of 74972 and 74980