What is the Greatest Common Factor of 31340 and 31356?

Greatest common factor (GCF) of 31340 and 31356 is 4.

GCF(31340,31356) = 4

We will now calculate the prime factors of 31340 and 31356, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31340 and 31356.

How to find the GCF of 31340 and 31356?

We will first find the prime factorization of 31340 and 31356. After we will calculate the factors of 31340 and 31356 and find the biggest common factor number .

Step-1: Prime Factorization of 31340

Prime factors of 31340 are 2, 5, 1567. Prime factorization of 31340 in exponential form is:

31340 = 2² × 5¹ × 1567¹

Step-2: Prime Factorization of 31356

Prime factors of 31356 are 2, 3, 13, 67. Prime factorization of 31356 in exponential form is:

31356 = 2² × 3² × 13¹ × 67¹

Step-3: Factors of 31340

List of positive integer factors of 31340 that divides 31340 without a remainder.

1, 2, 4, 5, 10, 20, 1567, 3134, 6268, 7835, 15670

Step-4: Factors of 31356

List of positive integer factors of 31356 that divides 31340 without a remainder.

1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 67, 78, 117, 134, 156, 201, 234, 268, 402, 468, 603, 804, 871, 1206, 1742, 2412, 2613, 3484, 5226, 7839, 10452, 15678

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31340 and 31356. The biggest common factor number is the GCF number.
So the greatest common factor 31340 and 31356 is 4.

Also check out the Least Common Multiple of 31340 and 31356