What is the Greatest Common Factor of 72197 and 72210?

Greatest common factor (GCF) of 72197 and 72210 is 1.

GCF(72197,72210) = 1

We will now calculate the prime factors of 72197 and 72210, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72197 and 72210.

How to find the GCF of 72197 and 72210?

We will first find the prime factorization of 72197 and 72210. After we will calculate the factors of 72197 and 72210 and find the biggest common factor number .

Step-1: Prime Factorization of 72197

Prime factors of 72197 are 23, 43, 73. Prime factorization of 72197 in exponential form is:

72197 = 23¹ × 43¹ × 73¹

Step-2: 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-3: Factors of 72197

List of positive integer factors of 72197 that divides 72197 without a remainder.

1, 23, 43, 73, 989, 1679, 3139

Step-4: Factors of 72210

List of positive integer factors of 72210 that divides 72197 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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72197 and 72210. The biggest common factor number is the GCF number.
So the greatest common factor 72197 and 72210 is 1.

Also check out the Least Common Multiple of 72197 and 72210