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What is the Greatest Common Factor of 72811 and 72821?

Greatest common factor (GCF) of 72811 and 72821 is 1.

GCF(72811,72821) = 1

We will now calculate the prime factors of 72811 and 72821, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72811 and 72821.

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How to find the GCF of 72811 and 72821?

We will first find the prime factorization of 72811 and 72821. After we will calculate the factors of 72811 and 72821 and find the biggest common factor number .

Step-1: Prime Factorization of 72811

Prime factors of 72811 are 17, 4283. Prime factorization of 72811 in exponential form is:

72811 = 171 × 42831

Step-2: Prime Factorization of 72821

Prime factors of 72821 are 7, 101, 103. Prime factorization of 72821 in exponential form is:

72821 = 71 × 1011 × 1031

Step-3: Factors of 72811

List of positive integer factors of 72811 that divides 72811 without a remainder.

1, 17, 4283

Step-4: Factors of 72821

List of positive integer factors of 72821 that divides 72811 without a remainder.

1, 7, 101, 103, 707, 721, 10403

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72811 and 72821. The biggest common factor number is the GCF number.
So the greatest common factor 72811 and 72821 is 1.

Also check out the Least Common Multiple of 72811 and 72821