What is the Greatest Common Factor of 23422 and 23440?

Greatest common factor (GCF) of 23422 and 23440 is 2.

GCF(23422,23440) = 2

We will now calculate the prime factors of 23422 and 23440, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 23422 and 23440.

How to find the GCF of 23422 and 23440?

We will first find the prime factorization of 23422 and 23440. After we will calculate the factors of 23422 and 23440 and find the biggest common factor number .

Step-1: Prime Factorization of 23422

Prime factors of 23422 are 2, 7, 239. Prime factorization of 23422 in exponential form is:

23422 = 2¹ × 7² × 239¹

Step-2: Prime Factorization of 23440

Prime factors of 23440 are 2, 5, 293. Prime factorization of 23440 in exponential form is:

23440 = 2⁴ × 5¹ × 293¹

Step-3: Factors of 23422

List of positive integer factors of 23422 that divides 23422 without a remainder.

1, 2, 7, 14, 49, 98, 239, 478, 1673, 3346, 11711

Step-4: Factors of 23440

List of positive integer factors of 23440 that divides 23422 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 293, 586, 1172, 1465, 2344, 2930, 4688, 5860, 11720

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 23422 and 23440. The biggest common factor number is the GCF number.
So the greatest common factor 23422 and 23440 is 2.

Also check out the Least Common Multiple of 23422 and 23440