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What is the Greatest Common Factor of 72210 and 72221?

Greatest common factor (GCF) of 72210 and 72221 is 1.

GCF(72210,72221) = 1

We will now calculate the prime factors of 72210 and 72221, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72210 and 72221.

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How to find the GCF of 72210 and 72221?

We will first find the prime factorization of 72210 and 72221. After we will calculate the factors of 72210 and 72221 and find the biggest common factor number .

Step-1: Prime Factorization of 72210

Prime factors of 72210 are 2, 3, 5, 29, 83. Prime factorization of 72210 in exponential form is:

72210 = 21 × 31 × 51 × 291 × 831

Step-2: Prime Factorization of 72221

Prime factors of 72221 are 72221. Prime factorization of 72221 in exponential form is:

72221 = 722211

Step-3: Factors of 72210

List of positive integer factors of 72210 that divides 72210 without a remainder.

1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 83, 87, 145, 166, 174, 249, 290, 415, 435, 498, 830, 870, 1245, 2407, 2490, 4814, 7221, 12035, 14442, 24070, 36105

Step-4: Factors of 72221

List of positive integer factors of 72221 that divides 72210 without a remainder.

1

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72210 and 72221. The biggest common factor number is the GCF number.
So the greatest common factor 72210 and 72221 is 1.

Also check out the Least Common Multiple of 72210 and 72221