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What is the Greatest Common Factor of 79805 and 79810?

Greatest common factor (GCF) of 79805 and 79810 is 5.

GCF(79805,79810) = 5

We will now calculate the prime factors of 79805 and 79810, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 79805 and 79810.

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How to find the GCF of 79805 and 79810?

We will first find the prime factorization of 79805 and 79810. After we will calculate the factors of 79805 and 79810 and find the biggest common factor number .

Step-1: Prime Factorization of 79805

Prime factors of 79805 are 5, 11, 1451. Prime factorization of 79805 in exponential form is:

79805 = 51 × 111 × 14511

Step-2: Prime Factorization of 79810

Prime factors of 79810 are 2, 5, 23, 347. Prime factorization of 79810 in exponential form is:

79810 = 21 × 51 × 231 × 3471

Step-3: Factors of 79805

List of positive integer factors of 79805 that divides 79805 without a remainder.

1, 5, 11, 55, 1451, 7255, 15961

Step-4: Factors of 79810

List of positive integer factors of 79810 that divides 79805 without a remainder.

1, 2, 5, 10, 23, 46, 115, 230, 347, 694, 1735, 3470, 7981, 15962, 39905

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 79805 and 79810. The biggest common factor number is the GCF number.
So the greatest common factor 79805 and 79810 is 5.

Also check out the Least Common Multiple of 79805 and 79810