Greatest Common Factor of 688, 621, 49

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

• Greatest Common Factor of 688, 621, 49 by common division method
• Greatest Common Factor of 688, 621, 49 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 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 621

List of positive integer factors of 621 that divides 621 without a remainder.

1,3,9,23,27,69,207,621

Factors of 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Greatest Common Factor

We found the factors 688,621,49 . The biggest common factor number is the GCF number.
So the greatest common factor 688,621,49 is 1.

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

• GCF of 487, 550, 16
• GCF of 329, 631, 67
• GCF of 704, 628, 15
• GCF of 356, 314, 78
• GCF of 543, 339, 14

1. What is the GCF of 688, 621, 49?

Answer: GCF of 688, 621, 49 is 1.

2. How to Find the GCF of 688, 621, 49

Answer: Greatest Common Factor(GCF) of 688, 621, 49 = 1

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

Step 2: Then multiply all the prime factors GCF(688, 621, 49) = 1.