What is the Greatest Common Factor of 99721 and 99729?

Greatest common factor (GCF) of 99721 and 99729 is 1.

GCF(99721,99729) = 1

We will now calculate the prime factors of 99721 and 99729, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 99721 and 99729.

How to find the GCF of 99721 and 99729?

We will first find the prime factorization of 99721 and 99729. After we will calculate the factors of 99721 and 99729 and find the biggest common factor number .

Step-1: Prime Factorization of 99721

Prime factors of 99721 are 99721. Prime factorization of 99721 in exponential form is:

99721 = 99721¹

Step-2: Prime Factorization of 99729

Prime factors of 99729 are 3, 7, 1583. Prime factorization of 99729 in exponential form is:

99729 = 3² × 7¹ × 1583¹

Step-3: Factors of 99721

List of positive integer factors of 99721 that divides 99721 without a remainder.

Step-4: Factors of 99729

List of positive integer factors of 99729 that divides 99721 without a remainder.

1, 3, 7, 9, 21, 63, 1583, 4749, 11081, 14247, 33243

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 99721 and 99729. The biggest common factor number is the GCF number.
So the greatest common factor 99721 and 99729 is 1.

Also check out the Least Common Multiple of 99721 and 99729