Greatest Common Factor of 31, 30, 921

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

• Greatest Common Factor of 31, 30, 921 by common division method
• Greatest Common Factor of 31, 30, 921 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 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 921

List of positive integer factors of 921 that divides 921 without a remainder.

1,3,307,921

Greatest Common Factor

We found the factors 31,30,921 . The biggest common factor number is the GCF number.
So the greatest common factor 31,30,921 is 1.

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

• GCF of 85, 41, 344
• GCF of 38, 38, 254
• GCF of 19, 28, 342
• GCF of 49, 30, 435
• GCF of 60, 11, 749

1. What is the GCF of 31, 30, 921?

Answer: GCF of 31, 30, 921 is 1.

2. How to Find the GCF of 31, 30, 921

Answer: Greatest Common Factor(GCF) of 31, 30, 921 = 1

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

Step 2: Then multiply all the prime factors GCF(31, 30, 921) = 1.