What is the Greatest Common Factor of 70970 and 70988?

Greatest common factor (GCF) of 70970 and 70988 is 2.

GCF(70970,70988) = 2

We will now calculate the prime factors of 70970 and 70988, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70970 and 70988.

How to find the GCF of 70970 and 70988?

We will first find the prime factorization of 70970 and 70988. After we will calculate the factors of 70970 and 70988 and find the biggest common factor number .

Step-1: Prime Factorization of 70970

Prime factors of 70970 are 2, 5, 47, 151. Prime factorization of 70970 in exponential form is:

70970 = 2¹ × 5¹ × 47¹ × 151¹

Step-2: Prime Factorization of 70988

Prime factors of 70988 are 2, 17747. Prime factorization of 70988 in exponential form is:

70988 = 2² × 17747¹

Step-3: Factors of 70970

List of positive integer factors of 70970 that divides 70970 without a remainder.

1, 2, 5, 10, 47, 94, 151, 235, 302, 470, 755, 1510, 7097, 14194, 35485

Step-4: Factors of 70988

List of positive integer factors of 70988 that divides 70970 without a remainder.

1, 2, 4, 17747, 35494

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70970 and 70988. The biggest common factor number is the GCF number.
So the greatest common factor 70970 and 70988 is 2.

Also check out the Least Common Multiple of 70970 and 70988