What is the Greatest Common Factor of 31235 and 31240?

Greatest common factor (GCF) of 31235 and 31240 is 5.

GCF(31235,31240) = 5

We will now calculate the prime factors of 31235 and 31240, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31235 and 31240.

How to find the GCF of 31235 and 31240?

We will first find the prime factorization of 31235 and 31240. After we will calculate the factors of 31235 and 31240 and find the biggest common factor number .

Step-1: Prime Factorization of 31235

Prime factors of 31235 are 5, 6247. Prime factorization of 31235 in exponential form is:

31235 = 5¹ × 6247¹

Step-2: Prime Factorization of 31240

Prime factors of 31240 are 2, 5, 11, 71. Prime factorization of 31240 in exponential form is:

31240 = 2³ × 5¹ × 11¹ × 71¹

Step-3: Factors of 31235

List of positive integer factors of 31235 that divides 31235 without a remainder.

1, 5, 6247

Step-4: Factors of 31240

List of positive integer factors of 31240 that divides 31235 without a remainder.

1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 1420, 1562, 2840, 3124, 3905, 6248, 7810, 15620

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31235 and 31240. The biggest common factor number is the GCF number.
So the greatest common factor 31235 and 31240 is 5.

Also check out the Least Common Multiple of 31235 and 31240