Greatest Common Factor of 690, 210, 640

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

• Greatest Common Factor of 690, 210, 640 by common division method
• Greatest Common Factor of 690, 210, 640 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 x 5 = 10

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 210

List of positive integer factors of 210 that divides 210 without a remainder.

1,2,3,5,6,7,10,14,15,21,30,35,42,70,105,210

Factors of 640

List of positive integer factors of 640 that divides 640 without a remainder.

1,2,4,5,8,10,16,20,32,40,64,80,128,160,320,640

Greatest Common Factor

We found the factors 690,210,640 . The biggest common factor number is the GCF number.
So the greatest common factor 690,210,640 is 10.

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

• GCF of 526, 220, 248
• GCF of 327, 808, 592
• GCF of 690, 505, 679
• GCF of 799, 386, 316
• GCF of 653, 796, 345

1. What is the GCF of 690, 210, 640?

Answer: GCF of 690, 210, 640 is 10.

2. How to Find the GCF of 690, 210, 640

Answer: Greatest Common Factor(GCF) of 690, 210, 640 = 10

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

Step 2: Then multiply all the prime factors GCF(690, 210, 640) = 10.