What is the Greatest Common Factor of 31540 and 31553?

Greatest common factor (GCF) of 31540 and 31553 is 1.

GCF(31540,31553) = 1

We will now calculate the prime factors of 31540 and 31553, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31540 and 31553.

How to find the GCF of 31540 and 31553?

We will first find the prime factorization of 31540 and 31553. After we will calculate the factors of 31540 and 31553 and find the biggest common factor number .

Step-1: Prime Factorization of 31540

Prime factors of 31540 are 2, 5, 19, 83. Prime factorization of 31540 in exponential form is:

31540 = 2² × 5¹ × 19¹ × 83¹

Step-2: Prime Factorization of 31553

Prime factors of 31553 are 139, 227. Prime factorization of 31553 in exponential form is:

31553 = 139¹ × 227¹

Step-3: Factors of 31540

List of positive integer factors of 31540 that divides 31540 without a remainder.

1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 95, 166, 190, 332, 380, 415, 830, 1577, 1660, 3154, 6308, 7885, 15770

Step-4: Factors of 31553

List of positive integer factors of 31553 that divides 31540 without a remainder.

1, 139, 227

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31540 and 31553. The biggest common factor number is the GCF number.
So the greatest common factor 31540 and 31553 is 1.

Also check out the Least Common Multiple of 31540 and 31553