What is the Greatest Common Factor of 79840 and 79851?

Greatest common factor (GCF) of 79840 and 79851 is 1.

GCF(79840,79851) = 1

We will now calculate the prime factors of 79840 and 79851, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 79840 and 79851.

How to find the GCF of 79840 and 79851?

We will first find the prime factorization of 79840 and 79851. After we will calculate the factors of 79840 and 79851 and find the biggest common factor number .

Step-1: Prime Factorization of 79840

Prime factors of 79840 are 2, 5, 499. Prime factorization of 79840 in exponential form is:

79840 = 2⁵ × 5¹ × 499¹

Step-2: Prime Factorization of 79851

Prime factors of 79851 are 3, 43, 619. Prime factorization of 79851 in exponential form is:

79851 = 3¹ × 43¹ × 619¹

Step-3: Factors of 79840

List of positive integer factors of 79840 that divides 79840 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 499, 998, 1996, 2495, 3992, 4990, 7984, 9980, 15968, 19960, 39920

Step-4: Factors of 79851

List of positive integer factors of 79851 that divides 79840 without a remainder.

1, 3, 43, 129, 619, 1857, 26617

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 79840 and 79851. The biggest common factor number is the GCF number.
So the greatest common factor 79840 and 79851 is 1.

Also check out the Least Common Multiple of 79840 and 79851