Greatest Common Factor of 18, 12, 63, 355

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

• Greatest Common Factor of 18, 12, 63, 355 by common division method
• Greatest Common Factor of 18, 12, 63, 355 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 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 63

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

1,3,7,9,21,63

Factors of 355

List of positive integer factors of 355 that divides 355 without a remainder.

1,5,71,355

Greatest Common Factor

We found the factors 18,12,63,355 . The biggest common factor number is the GCF number.
So the greatest common factor 18,12,63,355 is 1.

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

• GCF of 24, 46, 85, 442
• GCF of 66, 45, 42, 849
• GCF of 59, 10, 66, 567
• GCF of 39, 12, 54, 437
• GCF of 36, 18, 75, 456

1. What is the GCF of 18, 12, 63, 355?

Answer: GCF of 18, 12, 63, 355 is 1.

2. How to Find the GCF of 18, 12, 63, 355

Answer: Greatest Common Factor(GCF) of 18, 12, 63, 355 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 12, 63, 355) = 1.