Greatest Common Factor of 18, 63, 39, 175

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

• Greatest Common Factor of 18, 63, 39, 175 by common division method
• Greatest Common Factor of 18, 63, 39, 175 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 18

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

1,2,3,6,9,18

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 39

List of positive integer factors of 39 that divides 39 without a remainder.

1,3,13,39

Factors of 175

List of positive integer factors of 175 that divides 175 without a remainder.

1,5,7,25,35,175

Greatest Common Factor

We found the factors 18,63,39,175 . The biggest common factor number is the GCF number.
So the greatest common factor 18,63,39,175 is 1.

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

• GCF of 86, 87, 34, 648
• GCF of 42, 52, 97, 838
• GCF of 53, 39, 43, 246
• GCF of 89, 64, 33, 301
• GCF of 84, 79, 94, 208

1. What is the GCF of 18, 63, 39, 175?

Answer: GCF of 18, 63, 39, 175 is 1.

2. How to Find the GCF of 18, 63, 39, 175

Answer: Greatest Common Factor(GCF) of 18, 63, 39, 175 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 63, 39, 175) = 1.