What is the Greatest Common Factor of 70280 and 70286?

Greatest common factor (GCF) of 70280 and 70286 is 2.

GCF(70280,70286) = 2

We will now calculate the prime factors of 70280 and 70286, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70280 and 70286.

How to find the GCF of 70280 and 70286?

We will first find the prime factorization of 70280 and 70286. After we will calculate the factors of 70280 and 70286 and find the biggest common factor number .

Step-1: Prime Factorization of 70280

Prime factors of 70280 are 2, 5, 7, 251. Prime factorization of 70280 in exponential form is:

70280 = 2³ × 5¹ × 7¹ × 251¹

Step-2: Prime Factorization of 70286

Prime factors of 70286 are 2, 113, 311. Prime factorization of 70286 in exponential form is:

70286 = 2¹ × 113¹ × 311¹

Step-3: Factors of 70280

List of positive integer factors of 70280 that divides 70280 without a remainder.

1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 251, 280, 502, 1004, 1255, 1757, 2008, 2510, 3514, 5020, 7028, 8785, 10040, 14056, 17570, 35140

Step-4: Factors of 70286

List of positive integer factors of 70286 that divides 70280 without a remainder.

1, 2, 113, 226, 311, 622, 35143

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70280 and 70286. The biggest common factor number is the GCF number.
So the greatest common factor 70280 and 70286 is 2.

Also check out the Least Common Multiple of 70280 and 70286