Greatest Common Factor of 861, 427, 136, 72

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

• Greatest Common Factor of 861, 427, 136, 72 by common division method
• Greatest Common Factor of 861, 427, 136, 72 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 861

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

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

Factors of 427

List of positive integer factors of 427 that divides 427 without a remainder.

1,7,61,427

Factors of 136

List of positive integer factors of 136 that divides 136 without a remainder.

1,2,4,8,17,34,68,136

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Greatest Common Factor

We found the factors 861,427,136,72 . The biggest common factor number is the GCF number.
So the greatest common factor 861,427,136,72 is 1.

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

• GCF of 556, 599, 656, 56
• GCF of 707, 423, 713, 21
• GCF of 394, 363, 277, 62
• GCF of 861, 418, 781, 99
• GCF of 561, 181, 519, 65

1. What is the GCF of 861, 427, 136, 72?

Answer: GCF of 861, 427, 136, 72 is 1.

2. How to Find the GCF of 861, 427, 136, 72

Answer: Greatest Common Factor(GCF) of 861, 427, 136, 72 = 1

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

Step 2: Then multiply all the prime factors GCF(861, 427, 136, 72) = 1.