Greatest Common Factor of 40, 51, 31, 238

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

• Greatest Common Factor of 40, 51, 31, 238 by common division method
• Greatest Common Factor of 40, 51, 31, 238 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 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 31

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

1,31

Factors of 238

List of positive integer factors of 238 that divides 238 without a remainder.

1,2,7,14,17,34,119,238

Greatest Common Factor

We found the factors 40,51,31,238 . The biggest common factor number is the GCF number.
So the greatest common factor 40,51,31,238 is 1.

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

• GCF of 18, 34, 96, 816
• GCF of 13, 76, 57, 801
• GCF of 47, 51, 71, 773
• GCF of 41, 17, 79, 219
• GCF of 21, 90, 71, 316

1. What is the GCF of 40, 51, 31, 238?

Answer: GCF of 40, 51, 31, 238 is 1.

2. How to Find the GCF of 40, 51, 31, 238

Answer: Greatest Common Factor(GCF) of 40, 51, 31, 238 = 1

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

Step 2: Then multiply all the prime factors GCF(40, 51, 31, 238) = 1.