Greatest Common Factor of 642, 402, 355

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

• Greatest Common Factor of 642, 402, 355 by common division method
• Greatest Common Factor of 642, 402, 355 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 642

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

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

Factors of 402

List of positive integer factors of 402 that divides 402 without a remainder.

1,2,3,6,67,134,201,402

Factors of 355

List of positive integer factors of 355 that divides 355 without a remainder.

1,5,71,355

Greatest Common Factor

We found the factors 642,402,355 . The biggest common factor number is the GCF number.
So the greatest common factor 642,402,355 is 1.

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

• GCF of 336, 426, 501
• GCF of 396, 831, 939
• GCF of 114, 340, 423
• GCF of 523, 251, 244
• GCF of 965, 453, 439

1. What is the GCF of 642, 402, 355?

Answer: GCF of 642, 402, 355 is 1.

2. How to Find the GCF of 642, 402, 355

Answer: Greatest Common Factor(GCF) of 642, 402, 355 = 1

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

Step 2: Then multiply all the prime factors GCF(642, 402, 355) = 1.