What is the Greatest Common Factor of 31983 and 31992?

Greatest common factor (GCF) of 31983 and 31992 is 3.

GCF(31983,31992) = 3

We will now calculate the prime factors of 31983 and 31992, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31983 and 31992.

How to find the GCF of 31983 and 31992?

We will first find the prime factorization of 31983 and 31992. After we will calculate the factors of 31983 and 31992 and find the biggest common factor number .

Step-1: Prime Factorization of 31983

Prime factors of 31983 are 3, 7, 1523. Prime factorization of 31983 in exponential form is:

31983 = 3¹ × 7¹ × 1523¹

Step-2: Prime Factorization of 31992

Prime factors of 31992 are 2, 3, 31, 43. Prime factorization of 31992 in exponential form is:

31992 = 2³ × 3¹ × 31¹ × 43¹

Step-3: Factors of 31983

List of positive integer factors of 31983 that divides 31983 without a remainder.

1, 3, 7, 21, 1523, 4569, 10661

Step-4: Factors of 31992

List of positive integer factors of 31992 that divides 31983 without a remainder.

1, 2, 3, 4, 6, 8, 12, 24, 31, 43, 62, 86, 93, 124, 129, 172, 186, 248, 258, 344, 372, 516, 744, 1032, 1333, 2666, 3999, 5332, 7998, 10664, 15996

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31983 and 31992. The biggest common factor number is the GCF number.
So the greatest common factor 31983 and 31992 is 3.

Also check out the Least Common Multiple of 31983 and 31992