Greatest Common Factor of 638, 123, 357

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

• Greatest Common Factor of 638, 123, 357 by common division method
• Greatest Common Factor of 638, 123, 357 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 638

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

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

Factors of 123

List of positive integer factors of 123 that divides 123 without a remainder.

1,3,41,123

Factors of 357

List of positive integer factors of 357 that divides 357 without a remainder.

1,3,7,17,21,51,119,357

Greatest Common Factor

We found the factors 638,123,357 . The biggest common factor number is the GCF number.
So the greatest common factor 638,123,357 is 1.

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

• GCF of 405, 394, 724
• GCF of 956, 211, 467
• GCF of 631, 535, 351
• GCF of 345, 924, 444
• GCF of 440, 756, 369

1. What is the GCF of 638, 123, 357?

Answer: GCF of 638, 123, 357 is 1.

2. How to Find the GCF of 638, 123, 357

Answer: Greatest Common Factor(GCF) of 638, 123, 357 = 1

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

Step 2: Then multiply all the prime factors GCF(638, 123, 357) = 1.