Greatest Common Factor of 31, 74, 18, 397

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

• Greatest Common Factor of 31, 74, 18, 397 by common division method
• Greatest Common Factor of 31, 74, 18, 397 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 74

List of positive integer factors of 74 that divides 74 without a remainder.

1,2,37,74

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 397

List of positive integer factors of 397 that divides 397 without a remainder.

1,397

Greatest Common Factor

We found the factors 31,74,18,397 . The biggest common factor number is the GCF number.
So the greatest common factor 31,74,18,397 is 1.

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

• GCF of 74, 22, 32, 157
• GCF of 72, 66, 47, 213
• GCF of 14, 14, 18, 432
• GCF of 41, 64, 34, 614
• GCF of 47, 99, 74, 700

1. What is the GCF of 31, 74, 18, 397?

Answer: GCF of 31, 74, 18, 397 is 1.

2. How to Find the GCF of 31, 74, 18, 397

Answer: Greatest Common Factor(GCF) of 31, 74, 18, 397 = 1

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

Step 2: Then multiply all the prime factors GCF(31, 74, 18, 397) = 1.