What is the Greatest Common Factor of 72210 and 72218?

Greatest common factor (GCF) of 72210 and 72218 is 2.

GCF(72210,72218) = 2

We will now calculate the prime factors of 72210 and 72218, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72210 and 72218.

How to find the GCF of 72210 and 72218?

We will first find the prime factorization of 72210 and 72218. After we will calculate the factors of 72210 and 72218 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 72218

Prime factors of 72218 are 2, 36109. Prime factorization of 72218 in exponential form is:

72218 = 2¹ × 36109¹

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 72218

List of positive integer factors of 72218 that divides 72210 without a remainder.

1, 2, 36109

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72210 and 72218. The biggest common factor number is the GCF number.
So the greatest common factor 72210 and 72218 is 2.

Also check out the Least Common Multiple of 72210 and 72218