What is the Greatest Common Factor of 70620 and 70639?

Greatest common factor (GCF) of 70620 and 70639 is 1.

GCF(70620,70639) = 1

We will now calculate the prime factors of 70620 and 70639, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70620 and 70639.

How to find the GCF of 70620 and 70639?

We will first find the prime factorization of 70620 and 70639. After we will calculate the factors of 70620 and 70639 and find the biggest common factor number .

Step-1: Prime Factorization of 70620

Prime factors of 70620 are 2, 3, 5, 11, 107. Prime factorization of 70620 in exponential form is:

70620 = 2² × 3¹ × 5¹ × 11¹ × 107¹

Step-2: Prime Factorization of 70639

Prime factors of 70639 are 70639. Prime factorization of 70639 in exponential form is:

70639 = 70639¹

Step-3: Factors of 70620

List of positive integer factors of 70620 that divides 70620 without a remainder.

1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 107, 110, 132, 165, 214, 220, 321, 330, 428, 535, 642, 660, 1070, 1177, 1284, 1605, 2140, 2354, 3210, 3531, 4708, 5885, 6420, 7062, 11770, 14124, 17655, 23540, 35310

Step-4: Factors of 70639

List of positive integer factors of 70639 that divides 70620 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70620 and 70639. The biggest common factor number is the GCF number.
So the greatest common factor 70620 and 70639 is 1.

Also check out the Least Common Multiple of 70620 and 70639