What is the Greatest Common Factor of 31618 and 31628?

Greatest common factor (GCF) of 31618 and 31628 is 2.

GCF(31618,31628) = 2

We will now calculate the prime factors of 31618 and 31628, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31618 and 31628.

How to find the GCF of 31618 and 31628?

We will first find the prime factorization of 31618 and 31628. After we will calculate the factors of 31618 and 31628 and find the biggest common factor number .

Step-1: Prime Factorization of 31618

Prime factors of 31618 are 2, 15809. Prime factorization of 31618 in exponential form is:

31618 = 2¹ × 15809¹

Step-2: Prime Factorization of 31628

Prime factors of 31628 are 2, 7907. Prime factorization of 31628 in exponential form is:

31628 = 2² × 7907¹

Step-3: Factors of 31618

List of positive integer factors of 31618 that divides 31618 without a remainder.

1, 2, 15809

Step-4: Factors of 31628

List of positive integer factors of 31628 that divides 31618 without a remainder.

1, 2, 4, 7907, 15814

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31618 and 31628. The biggest common factor number is the GCF number.
So the greatest common factor 31618 and 31628 is 2.

Also check out the Least Common Multiple of 31618 and 31628