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What is the Greatest Common Factor of 79861 and 79870?

Greatest common factor (GCF) of 79861 and 79870 is 1.

GCF(79861,79870) = 1

We will now calculate the prime factors of 79861 and 79870, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 79861 and 79870.

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How to find the GCF of 79861 and 79870?

We will first find the prime factorization of 79861 and 79870. After we will calculate the factors of 79861 and 79870 and find the biggest common factor number .

Step-1: Prime Factorization of 79861

Prime factors of 79861 are 79861. Prime factorization of 79861 in exponential form is:

79861 = 798611

Step-2: Prime Factorization of 79870

Prime factors of 79870 are 2, 5, 7, 163. Prime factorization of 79870 in exponential form is:

79870 = 21 × 51 × 72 × 1631

Step-3: Factors of 79861

List of positive integer factors of 79861 that divides 79861 without a remainder.

1

Step-4: Factors of 79870

List of positive integer factors of 79870 that divides 79861 without a remainder.

1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 163, 245, 326, 490, 815, 1141, 1630, 2282, 5705, 7987, 11410, 15974, 39935

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 79861 and 79870. The biggest common factor number is the GCF number.
So the greatest common factor 79861 and 79870 is 1.

Also check out the Least Common Multiple of 79861 and 79870