What is the Greatest Common Factor of 70021 and 70031?

Greatest common factor (GCF) of 70021 and 70031 is 1.

GCF(70021,70031) = 1

We will now calculate the prime factors of 70021 and 70031, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70021 and 70031.

How to find the GCF of 70021 and 70031?

We will first find the prime factorization of 70021 and 70031. After we will calculate the factors of 70021 and 70031 and find the biggest common factor number .

Step-1: Prime Factorization of 70021

Prime factors of 70021 are 7, 1429. Prime factorization of 70021 in exponential form is:

70021 = 7² × 1429¹

Step-2: Prime Factorization of 70031

Prime factors of 70031 are 13, 5387. Prime factorization of 70031 in exponential form is:

70031 = 13¹ × 5387¹

Step-3: Factors of 70021

List of positive integer factors of 70021 that divides 70021 without a remainder.

1, 7, 49, 1429, 10003

Step-4: Factors of 70031

List of positive integer factors of 70031 that divides 70021 without a remainder.

1, 13, 5387

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70021 and 70031. The biggest common factor number is the GCF number.
So the greatest common factor 70021 and 70031 is 1.

Also check out the Least Common Multiple of 70021 and 70031