Greatest Common Factor of 688, 638, 136, 304, 397

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

• Greatest Common Factor of 688, 638, 136, 304, 397 by common division method
• Greatest Common Factor of 688, 638, 136, 304, 397 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 638

List of positive integer factors of 638 that divides 638 without a remainder.

1,2,11,22,29,58,319,638

Factors of 136

List of positive integer factors of 136 that divides 136 without a remainder.

1,2,4,8,17,34,68,136

Factors of 304

List of positive integer factors of 304 that divides 304 without a remainder.

1,2,4,8,16,19,38,76,152,304

Factors of 397

List of positive integer factors of 397 that divides 397 without a remainder.

1,397

Greatest Common Factor

We found the factors 688,638,136,304,397 . The biggest common factor number is the GCF number.
So the greatest common factor 688,638,136,304,397 is 1.

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

• GCF of 183, 709, 205, 719, 459
• GCF of 996, 141, 626, 614, 413
• GCF of 109, 560, 391, 418, 989
• GCF of 595, 874, 465, 191, 675
• GCF of 691, 751, 708, 125, 120

1. What is the GCF of 688, 638, 136, 304, 397?

Answer: GCF of 688, 638, 136, 304, 397 is 1.

2. How to Find the GCF of 688, 638, 136, 304, 397

Answer: Greatest Common Factor(GCF) of 688, 638, 136, 304, 397 = 1

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

Step 2: Then multiply all the prime factors GCF(688, 638, 136, 304, 397) = 1.