Greatest Common Factor of 31, 21, 36, 918

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

• Greatest Common Factor of 31, 21, 36, 918 by common division method
• Greatest Common Factor of 31, 21, 36, 918 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 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 36

List of positive integer factors of 36 that divides 36 without a remainder.

1,2,3,4,6,9,12,18,36

Factors of 918

List of positive integer factors of 918 that divides 918 without a remainder.

1,2,3,6,9,17,18,27,34,51,54,102,153,306,459,918

Greatest Common Factor

We found the factors 31,21,36,918 . The biggest common factor number is the GCF number.
So the greatest common factor 31,21,36,918 is 1.

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

• GCF of 24, 72, 12, 416
• GCF of 65, 80, 50, 662
• GCF of 91, 51, 92, 418
• GCF of 44, 66, 33, 380
• GCF of 68, 99, 25, 566

1. What is the GCF of 31, 21, 36, 918?

Answer: GCF of 31, 21, 36, 918 is 1.

2. How to Find the GCF of 31, 21, 36, 918

Answer: Greatest Common Factor(GCF) of 31, 21, 36, 918 = 1

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

Step 2: Then multiply all the prime factors GCF(31, 21, 36, 918) = 1.