Greatest Common Factor of 721, 861, 138, 812

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

• Greatest Common Factor of 721, 861, 138, 812 by common division method
• Greatest Common Factor of 721, 861, 138, 812 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 861

List of positive integer factors of 861 that divides 861 without a remainder.

1,3,7,21,41,123,287,861

Factors of 138

List of positive integer factors of 138 that divides 138 without a remainder.

1,2,3,6,23,46,69,138

Factors of 812

List of positive integer factors of 812 that divides 812 without a remainder.

1,2,4,7,14,28,29,58,116,203,406,812

Greatest Common Factor

We found the factors 721,861,138,812 . The biggest common factor number is the GCF number.
So the greatest common factor 721,861,138,812 is 1.

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

• GCF of 549, 253, 606, 443
• GCF of 997, 482, 489, 331
• GCF of 887, 246, 342, 755
• GCF of 853, 126, 934, 223
• GCF of 360, 565, 549, 831

1. What is the GCF of 721, 861, 138, 812?

Answer: GCF of 721, 861, 138, 812 is 1.

2. How to Find the GCF of 721, 861, 138, 812

Answer: Greatest Common Factor(GCF) of 721, 861, 138, 812 = 1

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

Step 2: Then multiply all the prime factors GCF(721, 861, 138, 812) = 1.