Greatest Common Factor of 689, 220, 60, 646

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

• Greatest Common Factor of 689, 220, 60, 646 by common division method
• Greatest Common Factor of 689, 220, 60, 646 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 689

List of positive integer factors of 689 that divides 689 without a remainder.

1,13,53,689

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 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Factors of 646

List of positive integer factors of 646 that divides 646 without a remainder.

1,2,17,19,34,38,323,646

Greatest Common Factor

We found the factors 689,220,60,646 . The biggest common factor number is the GCF number.
So the greatest common factor 689,220,60,646 is 1.

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

• GCF of 790, 327, 26, 791
• GCF of 559, 926, 29, 463
• GCF of 311, 849, 53, 159
• GCF of 466, 371, 78, 192
• GCF of 964, 111, 48, 369

1. What is the GCF of 689, 220, 60, 646?

Answer: GCF of 689, 220, 60, 646 is 1.

2. How to Find the GCF of 689, 220, 60, 646

Answer: Greatest Common Factor(GCF) of 689, 220, 60, 646 = 1

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

Step 2: Then multiply all the prime factors GCF(689, 220, 60, 646) = 1.