What is the Greatest Common Factor of 69878 and 69890?

Greatest common factor (GCF) of 69878 and 69890 is 2.

GCF(69878,69890) = 2

We will now calculate the prime factors of 69878 and 69890, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 69878 and 69890.

How to find the GCF of 69878 and 69890?

We will first find the prime factorization of 69878 and 69890. After we will calculate the factors of 69878 and 69890 and find the biggest common factor number .

Step-1: Prime Factorization of 69878

Prime factors of 69878 are 2, 34939. Prime factorization of 69878 in exponential form is:

69878 = 2¹ × 34939¹

Step-2: Prime Factorization of 69890

Prime factors of 69890 are 2, 5, 29, 241. Prime factorization of 69890 in exponential form is:

69890 = 2¹ × 5¹ × 29¹ × 241¹

Step-3: Factors of 69878

List of positive integer factors of 69878 that divides 69878 without a remainder.

1, 2, 34939

Step-4: Factors of 69890

List of positive integer factors of 69890 that divides 69878 without a remainder.

1, 2, 5, 10, 29, 58, 145, 241, 290, 482, 1205, 2410, 6989, 13978, 34945

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 69878 and 69890. The biggest common factor number is the GCF number.
So the greatest common factor 69878 and 69890 is 2.

Also check out the Least Common Multiple of 69878 and 69890