Greatest Common Factor of 66, 72, 18, 917

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

• Greatest Common Factor of 66, 72, 18, 917 by common division method
• Greatest Common Factor of 66, 72, 18, 917 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 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

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

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 917

List of positive integer factors of 917 that divides 917 without a remainder.

1,7,131,917

Greatest Common Factor

We found the factors 66,72,18,917 . The biggest common factor number is the GCF number.
So the greatest common factor 66,72,18,917 is 1.

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

• GCF of 76, 77, 82, 852
• GCF of 80, 83, 98, 628
• GCF of 57, 42, 80, 877
• GCF of 30, 62, 42, 532
• GCF of 16, 40, 47, 490

1. What is the GCF of 66, 72, 18, 917?

Answer: GCF of 66, 72, 18, 917 is 1.

2. How to Find the GCF of 66, 72, 18, 917

Answer: Greatest Common Factor(GCF) of 66, 72, 18, 917 = 1

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

Step 2: Then multiply all the prime factors GCF(66, 72, 18, 917) = 1.