Greatest Common Factor of 20, 35, 18, 634

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

• Greatest Common Factor of 20, 35, 18, 634 by common division method
• Greatest Common Factor of 20, 35, 18, 634 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 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 35

List of positive integer factors of 35 that divides 35 without a remainder.

1,5,7,35

Factors of 18

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

1,2,3,6,9,18

Factors of 634

List of positive integer factors of 634 that divides 634 without a remainder.

1,2,317,634

Greatest Common Factor

We found the factors 20,35,18,634 . The biggest common factor number is the GCF number.
So the greatest common factor 20,35,18,634 is 1.

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

• GCF of 69, 19, 46, 330
• GCF of 57, 47, 84, 695
• GCF of 89, 97, 70, 405
• GCF of 34, 40, 70, 231
• GCF of 21, 11, 94, 349

1. What is the GCF of 20, 35, 18, 634?

Answer: GCF of 20, 35, 18, 634 is 1.

2. How to Find the GCF of 20, 35, 18, 634

Answer: Greatest Common Factor(GCF) of 20, 35, 18, 634 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 35, 18, 634) = 1.