What is the Greatest Common Factor of 74940 and 74947?

Greatest common factor (GCF) of 74940 and 74947 is 1.

GCF(74940,74947) = 1

We will now calculate the prime factors of 74940 and 74947, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 74940 and 74947.

How to find the GCF of 74940 and 74947?

We will first find the prime factorization of 74940 and 74947. After we will calculate the factors of 74940 and 74947 and find the biggest common factor number .

Step-1: Prime Factorization of 74940

Prime factors of 74940 are 2, 3, 5, 1249. Prime factorization of 74940 in exponential form is:

74940 = 2² × 3¹ × 5¹ × 1249¹

Step-2: Prime Factorization of 74947

Prime factors of 74947 are 149, 503. Prime factorization of 74947 in exponential form is:

74947 = 149¹ × 503¹

Step-3: Factors of 74940

List of positive integer factors of 74940 that divides 74940 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1249, 2498, 3747, 4996, 6245, 7494, 12490, 14988, 18735, 24980, 37470

Step-4: Factors of 74947

List of positive integer factors of 74947 that divides 74940 without a remainder.

1, 149, 503

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 74940 and 74947. The biggest common factor number is the GCF number.
So the greatest common factor 74940 and 74947 is 1.

Also check out the Least Common Multiple of 74940 and 74947