Greatest Common Factor of 639, 262, 18

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

• Greatest Common Factor of 639, 262, 18 by common division method
• Greatest Common Factor of 639, 262, 18 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 639

List of positive integer factors of 639 that divides 639 without a remainder.

1,3,9,71,213,639

Factors of 262

List of positive integer factors of 262 that divides 262 without a remainder.

1,2,131,262

Factors of 18

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

1,2,3,6,9,18

Greatest Common Factor

We found the factors 639,262,18 . The biggest common factor number is the GCF number.
So the greatest common factor 639,262,18 is 1.

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

• GCF of 938, 823, 19
• GCF of 309, 401, 96
• GCF of 268, 119, 97
• GCF of 270, 865, 90
• GCF of 174, 106, 28

1. What is the GCF of 639, 262, 18?

Answer: GCF of 639, 262, 18 is 1.

2. How to Find the GCF of 639, 262, 18

Answer: Greatest Common Factor(GCF) of 639, 262, 18 = 1

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

Step 2: Then multiply all the prime factors GCF(639, 262, 18) = 1.