What is the Greatest Common Factor of 31578 and 31586?

Greatest common factor (GCF) of 31578 and 31586 is 2.

GCF(31578,31586) = 2

We will now calculate the prime factors of 31578 and 31586, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31578 and 31586.

How to find the GCF of 31578 and 31586?

We will first find the prime factorization of 31578 and 31586. After we will calculate the factors of 31578 and 31586 and find the biggest common factor number .

Step-1: Prime Factorization of 31578

Prime factors of 31578 are 2, 3, 19, 277. Prime factorization of 31578 in exponential form is:

31578 = 2¹ × 3¹ × 19¹ × 277¹

Step-2: Prime Factorization of 31586

Prime factors of 31586 are 2, 17, 929. Prime factorization of 31586 in exponential form is:

31586 = 2¹ × 17¹ × 929¹

Step-3: Factors of 31578

List of positive integer factors of 31578 that divides 31578 without a remainder.

1, 2, 3, 6, 19, 38, 57, 114, 277, 554, 831, 1662, 5263, 10526, 15789

Step-4: Factors of 31586

List of positive integer factors of 31586 that divides 31578 without a remainder.

1, 2, 17, 34, 929, 1858, 15793

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31578 and 31586. The biggest common factor number is the GCF number.
So the greatest common factor 31578 and 31586 is 2.

Also check out the Least Common Multiple of 31578 and 31586