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What is the Greatest Common Factor of 80561 and 80580?

Greatest common factor (GCF) of 80561 and 80580 is 1.

GCF(80561,80580) = 1

We will now calculate the prime factors of 80561 and 80580, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 80561 and 80580.

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How to find the GCF of 80561 and 80580?

We will first find the prime factorization of 80561 and 80580. After we will calculate the factors of 80561 and 80580 and find the biggest common factor number .

Step-1: Prime Factorization of 80561

Prime factors of 80561 are 13, 6197. Prime factorization of 80561 in exponential form is:

80561 = 131 × 61971

Step-2: Prime Factorization of 80580

Prime factors of 80580 are 2, 3, 5, 17, 79. Prime factorization of 80580 in exponential form is:

80580 = 22 × 31 × 51 × 171 × 791

Step-3: Factors of 80561

List of positive integer factors of 80561 that divides 80561 without a remainder.

1, 13, 6197

Step-4: Factors of 80580

List of positive integer factors of 80580 that divides 80561 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 79, 85, 102, 158, 170, 204, 237, 255, 316, 340, 395, 474, 510, 790, 948, 1020, 1185, 1343, 1580, 2370, 2686, 4029, 4740, 5372, 6715, 8058, 13430, 16116, 20145, 26860, 40290

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 80561 and 80580. The biggest common factor number is the GCF number.
So the greatest common factor 80561 and 80580 is 1.

Also check out the Least Common Multiple of 80561 and 80580