Greatest Common Factor of 642, 145, 531

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

• Greatest Common Factor of 642, 145, 531 by common division method
• Greatest Common Factor of 642, 145, 531 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 145

List of positive integer factors of 145 that divides 145 without a remainder.

1,5,29,145

Factors of 531

List of positive integer factors of 531 that divides 531 without a remainder.

1,3,9,59,177,531

Greatest Common Factor

We found the factors 642,145,531 . The biggest common factor number is the GCF number.
So the greatest common factor 642,145,531 is 1.

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

• GCF of 689, 856, 877
• GCF of 746, 590, 808
• GCF of 449, 514, 705
• GCF of 486, 850, 193
• GCF of 697, 811, 421

1. What is the GCF of 642, 145, 531?

Answer: GCF of 642, 145, 531 is 1.

2. How to Find the GCF of 642, 145, 531

Answer: Greatest Common Factor(GCF) of 642, 145, 531 = 1

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

Step 2: Then multiply all the prime factors GCF(642, 145, 531) = 1.