What is the Greatest Common Factor of 62440 and 62457?

Greatest common factor (GCF) of 62440 and 62457 is 1.

GCF(62440,62457) = 1

We will now calculate the prime factors of 62440 and 62457, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 62440 and 62457.

How to find the GCF of 62440 and 62457?

We will first find the prime factorization of 62440 and 62457. After we will calculate the factors of 62440 and 62457 and find the biggest common factor number .

Step-1: Prime Factorization of 62440

Prime factors of 62440 are 2, 5, 7, 223. Prime factorization of 62440 in exponential form is:

62440 = 2³ × 5¹ × 7¹ × 223¹

Step-2: Prime Factorization of 62457

Prime factors of 62457 are 3, 109, 191. Prime factorization of 62457 in exponential form is:

62457 = 3¹ × 109¹ × 191¹

Step-3: Factors of 62440

List of positive integer factors of 62440 that divides 62440 without a remainder.

1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 223, 280, 446, 892, 1115, 1561, 1784, 2230, 3122, 4460, 6244, 7805, 8920, 12488, 15610, 31220

Step-4: Factors of 62457

List of positive integer factors of 62457 that divides 62440 without a remainder.

1, 3, 109, 191, 327, 573, 20819

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 62440 and 62457. The biggest common factor number is the GCF number.
So the greatest common factor 62440 and 62457 is 1.

Also check out the Least Common Multiple of 62440 and 62457