What is the Greatest Common Factor of 31143 and 31150?

Greatest common factor (GCF) of 31143 and 31150 is 7.

GCF(31143,31150) = 7

We will now calculate the prime factors of 31143 and 31150, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 31143 and 31150.

How to find the GCF of 31143 and 31150?

We will first find the prime factorization of 31143 and 31150. After we will calculate the factors of 31143 and 31150 and find the biggest common factor number .

Step-1: Prime Factorization of 31143

Prime factors of 31143 are 3, 7, 1483. Prime factorization of 31143 in exponential form is:

31143 = 3¹ × 7¹ × 1483¹

Step-2: Prime Factorization of 31150

Prime factors of 31150 are 2, 5, 7, 89. Prime factorization of 31150 in exponential form is:

31150 = 2¹ × 5² × 7¹ × 89¹

Step-3: Factors of 31143

List of positive integer factors of 31143 that divides 31143 without a remainder.

1, 3, 7, 21, 1483, 4449, 10381

Step-4: Factors of 31150

List of positive integer factors of 31150 that divides 31143 without a remainder.

1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 89, 175, 178, 350, 445, 623, 890, 1246, 2225, 3115, 4450, 6230, 15575

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 31143 and 31150. The biggest common factor number is the GCF number.
So the greatest common factor 31143 and 31150 is 7.

Also check out the Least Common Multiple of 31143 and 31150