What is the Greatest Common Factor of 53991 and 53999?

Greatest common factor (GCF) of 53991 and 53999 is 1.

GCF(53991,53999) = 1

We will now calculate the prime factors of 53991 and 53999, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 53991 and 53999.

How to find the GCF of 53991 and 53999?

We will first find the prime factorization of 53991 and 53999. After we will calculate the factors of 53991 and 53999 and find the biggest common factor number .

Step-1: Prime Factorization of 53991

Prime factors of 53991 are 3, 7, 857. Prime factorization of 53991 in exponential form is:

53991 = 3² × 7¹ × 857¹

Step-2: Prime Factorization of 53999

Prime factors of 53999 are 11, 4909. Prime factorization of 53999 in exponential form is:

53999 = 11¹ × 4909¹

Step-3: Factors of 53991

List of positive integer factors of 53991 that divides 53991 without a remainder.

1, 3, 7, 9, 21, 63, 857, 2571, 5999, 7713, 17997

Step-4: Factors of 53999

List of positive integer factors of 53999 that divides 53991 without a remainder.

1, 11, 4909

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 53991 and 53999. The biggest common factor number is the GCF number.
So the greatest common factor 53991 and 53999 is 1.

Also check out the Least Common Multiple of 53991 and 53999