Greatest Common Factor of 721, 247, 972, 31

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

• Greatest Common Factor of 721, 247, 972, 31 by common division method
• Greatest Common Factor of 721, 247, 972, 31 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 721

List of positive integer factors of 721 that divides 721 without a remainder.

1,7,103,721

Factors of 247

List of positive integer factors of 247 that divides 247 without a remainder.

1,13,19,247

Factors of 972

List of positive integer factors of 972 that divides 972 without a remainder.

1,2,3,4,6,9,12,18,27,36,54,81,108,162,243,324,486,972

Factors of 31

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

1,31

Greatest Common Factor

We found the factors 721,247,972,31 . The biggest common factor number is the GCF number.
So the greatest common factor 721,247,972,31 is 1.

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

• GCF of 598, 657, 509, 98
• GCF of 681, 955, 892, 51
• GCF of 597, 813, 758, 64
• GCF of 729, 768, 969, 46
• GCF of 742, 366, 411, 98

1. What is the GCF of 721, 247, 972, 31?

Answer: GCF of 721, 247, 972, 31 is 1.

2. How to Find the GCF of 721, 247, 972, 31

Answer: Greatest Common Factor(GCF) of 721, 247, 972, 31 = 1

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

Step 2: Then multiply all the prime factors GCF(721, 247, 972, 31) = 1.