Greatest Common Factor of 639, 155, 180

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

• Greatest Common Factor of 639, 155, 180 by common division method
• Greatest Common Factor of 639, 155, 180 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 155

List of positive integer factors of 155 that divides 155 without a remainder.

1,5,31,155

Factors of 180

List of positive integer factors of 180 that divides 180 without a remainder.

1,2,3,4,5,6,9,10,12,15,18,20,30,36,45,60,90,180

Greatest Common Factor

We found the factors 639,155,180 . The biggest common factor number is the GCF number.
So the greatest common factor 639,155,180 is 1.

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

• GCF of 252, 430, 659
• GCF of 807, 870, 969
• GCF of 676, 409, 130
• GCF of 286, 502, 467
• GCF of 672, 350, 580

1. What is the GCF of 639, 155, 180?

Answer: GCF of 639, 155, 180 is 1.

2. How to Find the GCF of 639, 155, 180

Answer: Greatest Common Factor(GCF) of 639, 155, 180 = 1

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

Step 2: Then multiply all the prime factors GCF(639, 155, 180) = 1.