What is the Greatest Common Factor of 39951 and 39969?

Greatest common factor (GCF) of 39951 and 39969 is 9.

GCF(39951,39969) = 9

We will now calculate the prime factors of 39951 and 39969, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 39951 and 39969.

How to find the GCF of 39951 and 39969?

We will first find the prime factorization of 39951 and 39969. After we will calculate the factors of 39951 and 39969 and find the biggest common factor number .

Step-1: Prime Factorization of 39951

Prime factors of 39951 are 3, 23, 193. Prime factorization of 39951 in exponential form is:

39951 = 3² × 23¹ × 193¹

Step-2: Prime Factorization of 39969

Prime factors of 39969 are 3, 4441. Prime factorization of 39969 in exponential form is:

39969 = 3² × 4441¹

Step-3: Factors of 39951

List of positive integer factors of 39951 that divides 39951 without a remainder.

1, 3, 9, 23, 69, 193, 207, 579, 1737, 4439, 13317

Step-4: Factors of 39969

List of positive integer factors of 39969 that divides 39951 without a remainder.

1, 3, 9, 4441, 13323

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 39951 and 39969. The biggest common factor number is the GCF number.
So the greatest common factor 39951 and 39969 is 9.

Also check out the Least Common Multiple of 39951 and 39969