Greatest Common Factor of 646, 690, 120

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

• Greatest Common Factor of 646, 690, 120 by common division method
• Greatest Common Factor of 646, 690, 120 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

Factors of 646

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

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

Factors of 690

List of positive integer factors of 690 that divides 690 without a remainder.

1,2,3,5,6,10,15,23,30,46,69,115,138,230,345,690

Factors of 120

List of positive integer factors of 120 that divides 120 without a remainder.

1,2,3,4,5,6,8,10,12,15,20,24,30,40,60,120

Greatest Common Factor

We found the factors 646,690,120 . The biggest common factor number is the GCF number.
So the greatest common factor 646,690,120 is 2.

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

• GCF of 264, 205, 498
• GCF of 822, 398, 492
• GCF of 430, 276, 121
• GCF of 980, 703, 906
• GCF of 533, 367, 392

1. What is the GCF of 646, 690, 120?

Answer: GCF of 646, 690, 120 is 2.

2. How to Find the GCF of 646, 690, 120

Answer: Greatest Common Factor(GCF) of 646, 690, 120 = 2

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

Step 2: Then multiply all the prime factors GCF(646, 690, 120) = 2.