What is the Greatest Common Factor of 67970 and 67982?

Greatest common factor (GCF) of 67970 and 67982 is 2.

GCF(67970,67982) = 2

We will now calculate the prime factors of 67970 and 67982, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 67970 and 67982.

How to find the GCF of 67970 and 67982?

We will first find the prime factorization of 67970 and 67982. After we will calculate the factors of 67970 and 67982 and find the biggest common factor number .

Step-1: Prime Factorization of 67970

Prime factors of 67970 are 2, 5, 7, 971. Prime factorization of 67970 in exponential form is:

67970 = 2¹ × 5¹ × 7¹ × 971¹

Step-2: Prime Factorization of 67982

Prime factors of 67982 are 2, 19, 1789. Prime factorization of 67982 in exponential form is:

67982 = 2¹ × 19¹ × 1789¹

Step-3: Factors of 67970

List of positive integer factors of 67970 that divides 67970 without a remainder.

1, 2, 5, 7, 10, 14, 35, 70, 971, 1942, 4855, 6797, 9710, 13594, 33985

Step-4: Factors of 67982

List of positive integer factors of 67982 that divides 67970 without a remainder.

1, 2, 19, 38, 1789, 3578, 33991

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 67970 and 67982. The biggest common factor number is the GCF number.
So the greatest common factor 67970 and 67982 is 2.

Also check out the Least Common Multiple of 67970 and 67982