Greatest Common Factor of 31, 12, 25, 140

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 31, 12, 25, 140 by common division method
• Greatest Common Factor of 31, 12, 25, 140 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 25

List of positive integer factors of 25 that divides 25 without a remainder.

1,5,25

Factors of 140

List of positive integer factors of 140 that divides 140 without a remainder.

1,2,4,5,7,10,14,20,28,35,70,140

Greatest Common Factor

We found the factors 31,12,25,140 . The biggest common factor number is the GCF number.
So the greatest common factor 31,12,25,140 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 76, 75, 40, 367
• GCF of 48, 63, 66, 984
• GCF of 79, 21, 11, 956
• GCF of 68, 33, 93, 276
• GCF of 21, 98, 76, 961

1. What is the GCF of 31, 12, 25, 140?

Answer: GCF of 31, 12, 25, 140 is 1.

2. How to Find the GCF of 31, 12, 25, 140

Answer: Greatest Common Factor(GCF) of 31, 12, 25, 140 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(31, 12, 25, 140) = 1.