Greatest Common Factor of 642, 265, 80

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

• Greatest Common Factor of 642, 265, 80 by common division method
• Greatest Common Factor of 642, 265, 80 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 265

List of positive integer factors of 265 that divides 265 without a remainder.

1,5,53,265

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Greatest Common Factor

We found the factors 642,265,80 . The biggest common factor number is the GCF number.
So the greatest common factor 642,265,80 is 1.

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

• GCF of 213, 814, 70
• GCF of 306, 189, 23
• GCF of 533, 205, 34
• GCF of 693, 337, 83
• GCF of 488, 491, 27

1. What is the GCF of 642, 265, 80?

Answer: GCF of 642, 265, 80 is 1.

2. How to Find the GCF of 642, 265, 80

Answer: Greatest Common Factor(GCF) of 642, 265, 80 = 1

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

Step 2: Then multiply all the prime factors GCF(642, 265, 80) = 1.