Greatest Common Factor of 685, 642, 3021, 480

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

• Greatest Common Factor of 685, 642, 3021, 480 by common division method
• Greatest Common Factor of 685, 642, 3021, 480 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 685

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

1,5,137,685

Factors of 642

List of positive integer factors of 642 that divides 642 without a remainder.

1,2,3,6,107,214,321,642

Factors of 3021

List of positive integer factors of 3021 that divides 3021 without a remainder.

1,3,19,53,57,159,1007,3021

Factors of 480

List of positive integer factors of 480 that divides 480 without a remainder.

1,2,3,4,5,6,8,10,12,15,16,20,24,30,32,40,48,60,80,96,120,160,240,480

Greatest Common Factor

We found the factors 685,642,3021,480 . The biggest common factor number is the GCF number.
So the greatest common factor 685,642,3021,480 is 1.

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

• GCF of 494, 660, 4991, 739
• GCF of 392, 674, 6761, 365
• GCF of 919, 248, 3501, 598
• GCF of 125, 644, 9502, 881
• GCF of 923, 118, 8159, 425

1. What is the GCF of 685, 642, 3021, 480?

Answer: GCF of 685, 642, 3021, 480 is 1.

2. How to Find the GCF of 685, 642, 3021, 480

Answer: Greatest Common Factor(GCF) of 685, 642, 3021, 480 = 1

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

Step 2: Then multiply all the prime factors GCF(685, 642, 3021, 480) = 1.