Greatest Common Factor of 220, 688, 685

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

• Greatest Common Factor of 220, 688, 685 by common division method
• Greatest Common Factor of 220, 688, 685 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 220

List of positive integer factors of 220 that divides 220 without a remainder.

1,2,4,5,10,11,20,22,44,55,110,220

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 685

List of positive integer factors of 685 that divides 685 without a remainder.

1,5,137,685

Greatest Common Factor

We found the factors 220,688,685 . The biggest common factor number is the GCF number.
So the greatest common factor 220,688,685 is 1.

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

• GCF of 452, 233, 611
• GCF of 404, 521, 717
• GCF of 721, 536, 770
• GCF of 180, 429, 121
• GCF of 872, 215, 847

1. What is the GCF of 220, 688, 685?

Answer: GCF of 220, 688, 685 is 1.

2. How to Find the GCF of 220, 688, 685

Answer: Greatest Common Factor(GCF) of 220, 688, 685 = 1

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

Step 2: Then multiply all the prime factors GCF(220, 688, 685) = 1.