What is the Greatest Common Factor of 70930 and 70942?

Greatest common factor (GCF) of 70930 and 70942 is 2.

GCF(70930,70942) = 2

We will now calculate the prime factors of 70930 and 70942, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70930 and 70942.

How to find the GCF of 70930 and 70942?

We will first find the prime factorization of 70930 and 70942. After we will calculate the factors of 70930 and 70942 and find the biggest common factor number .

Step-1: Prime Factorization of 70930

Prime factors of 70930 are 2, 5, 41, 173. Prime factorization of 70930 in exponential form is:

70930 = 2¹ × 5¹ × 41¹ × 173¹

Step-2: Prime Factorization of 70942

Prime factors of 70942 are 2, 79, 449. Prime factorization of 70942 in exponential form is:

70942 = 2¹ × 79¹ × 449¹

Step-3: Factors of 70930

List of positive integer factors of 70930 that divides 70930 without a remainder.

1, 2, 5, 10, 41, 82, 173, 205, 346, 410, 865, 1730, 7093, 14186, 35465

Step-4: Factors of 70942

List of positive integer factors of 70942 that divides 70930 without a remainder.

1, 2, 79, 158, 449, 898, 35471

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70930 and 70942. The biggest common factor number is the GCF number.
So the greatest common factor 70930 and 70942 is 2.

Also check out the Least Common Multiple of 70930 and 70942