Greatest Common Factor of 80, 290, 642

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

• Greatest Common Factor of 80, 290, 642 by common division method
• Greatest Common Factor of 80, 290, 642 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

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

Factors of 290

List of positive integer factors of 290 that divides 290 without a remainder.

1,2,5,10,29,58,145,290

Factors of 642

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

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

Greatest Common Factor

We found the factors 80,290,642 . The biggest common factor number is the GCF number.
So the greatest common factor 80,290,642 is 2.

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

• GCF of 72, 322, 870
• GCF of 35, 617, 701
• GCF of 41, 542, 367
• GCF of 42, 310, 311
• GCF of 45, 955, 507

1. What is the GCF of 80, 290, 642?

Answer: GCF of 80, 290, 642 is 2.

2. How to Find the GCF of 80, 290, 642

Answer: Greatest Common Factor(GCF) of 80, 290, 642 = 2

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

Step 2: Then multiply all the prime factors GCF(80, 290, 642) = 2.