Greatest Common Factor of 137, 390, 18

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

• Greatest Common Factor of 137, 390, 18 by common division method
• Greatest Common Factor of 137, 390, 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 137

List of positive integer factors of 137 that divides 137 without a remainder.

1,137

Factors of 390

List of positive integer factors of 390 that divides 390 without a remainder.

1,2,3,5,6,10,13,15,26,30,39,65,78,130,195,390

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 137,390,18 . The biggest common factor number is the GCF number.
So the greatest common factor 137,390,18 is 1.

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

• GCF of 246, 578, 35
• GCF of 190, 822, 14
• GCF of 502, 469, 48
• GCF of 155, 174, 24
• GCF of 677, 927, 73

1. What is the GCF of 137, 390, 18?

Answer: GCF of 137, 390, 18 is 1.

2. How to Find the GCF of 137, 390, 18

Answer: Greatest Common Factor(GCF) of 137, 390, 18 = 1

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

Step 2: Then multiply all the prime factors GCF(137, 390, 18) = 1.