What is the Greatest Common Factor of 47960 and 47972?

Greatest common factor (GCF) of 47960 and 47972 is 4.

GCF(47960,47972) = 4

We will now calculate the prime factors of 47960 and 47972, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 47960 and 47972.

How to find the GCF of 47960 and 47972?

We will first find the prime factorization of 47960 and 47972. After we will calculate the factors of 47960 and 47972 and find the biggest common factor number .

Step-1: Prime Factorization of 47960

Prime factors of 47960 are 2, 5, 11, 109. Prime factorization of 47960 in exponential form is:

47960 = 2³ × 5¹ × 11¹ × 109¹

Step-2: Prime Factorization of 47972

Prime factors of 47972 are 2, 67, 179. Prime factorization of 47972 in exponential form is:

47972 = 2² × 67¹ × 179¹

Step-3: Factors of 47960

List of positive integer factors of 47960 that divides 47960 without a remainder.

1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 109, 110, 218, 220, 436, 440, 545, 872, 1090, 1199, 2180, 2398, 4360, 4796, 5995, 9592, 11990, 23980

Step-4: Factors of 47972

List of positive integer factors of 47972 that divides 47960 without a remainder.

1, 2, 4, 67, 134, 179, 268, 358, 716, 11993, 23986

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 47960 and 47972. The biggest common factor number is the GCF number.
So the greatest common factor 47960 and 47972 is 4.

Also check out the Least Common Multiple of 47960 and 47972