What is the Greatest Common Factor of 69978 and 69998?

Greatest common factor (GCF) of 69978 and 69998 is 2.

GCF(69978,69998) = 2

We will now calculate the prime factors of 69978 and 69998, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 69978 and 69998.

How to find the GCF of 69978 and 69998?

We will first find the prime factorization of 69978 and 69998. After we will calculate the factors of 69978 and 69998 and find the biggest common factor number .

Step-1: Prime Factorization of 69978

Prime factors of 69978 are 2, 3, 107, 109. Prime factorization of 69978 in exponential form is:

69978 = 2¹ × 3¹ × 107¹ × 109¹

Step-2: Prime Factorization of 69998

Prime factors of 69998 are 2, 31, 1129. Prime factorization of 69998 in exponential form is:

69998 = 2¹ × 31¹ × 1129¹

Step-3: Factors of 69978

List of positive integer factors of 69978 that divides 69978 without a remainder.

1, 2, 3, 6, 107, 109, 214, 218, 321, 327, 642, 654, 11663, 23326, 34989

Step-4: Factors of 69998

List of positive integer factors of 69998 that divides 69978 without a remainder.

1, 2, 31, 62, 1129, 2258, 34999

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 69978 and 69998. The biggest common factor number is the GCF number.
So the greatest common factor 69978 and 69998 is 2.

Also check out the Least Common Multiple of 69978 and 69998