Greatest Common Factor of 125, 640, 18

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

• Greatest Common Factor of 125, 640, 18 by common division method
• Greatest Common Factor of 125, 640, 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 125

List of positive integer factors of 125 that divides 125 without a remainder.

1,5,25,125

Factors of 640

List of positive integer factors of 640 that divides 640 without a remainder.

1,2,4,5,8,10,16,20,32,40,64,80,128,160,320,640

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 125,640,18 . The biggest common factor number is the GCF number.
So the greatest common factor 125,640,18 is 1.

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

• GCF of 186, 357, 73
• GCF of 660, 655, 78
• GCF of 584, 589, 21
• GCF of 899, 393, 47
• GCF of 421, 135, 21

1. What is the GCF of 125, 640, 18?

Answer: GCF of 125, 640, 18 is 1.

2. How to Find the GCF of 125, 640, 18

Answer: Greatest Common Factor(GCF) of 125, 640, 18 = 1

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

Step 2: Then multiply all the prime factors GCF(125, 640, 18) = 1.