Greatest Common Factor of 153, 688, 18

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

• Greatest Common Factor of 153, 688, 18 by common division method
• Greatest Common Factor of 153, 688, 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 153

List of positive integer factors of 153 that divides 153 without a remainder.

1,3,9,17,51,153

Factors of 688

List of positive integer factors of 688 that divides 688 without a remainder.

1,2,4,8,16,43,86,172,344,688

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 153,688,18 . The biggest common factor number is the GCF number.
So the greatest common factor 153,688,18 is 1.

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

• GCF of 485, 405, 80
• GCF of 859, 504, 66
• GCF of 115, 766, 27
• GCF of 885, 590, 36
• GCF of 525, 479, 20

1. What is the GCF of 153, 688, 18?

Answer: GCF of 153, 688, 18 is 1.

2. How to Find the GCF of 153, 688, 18

Answer: Greatest Common Factor(GCF) of 153, 688, 18 = 1

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

Step 2: Then multiply all the prime factors GCF(153, 688, 18) = 1.