Greatest Common Factor of 162, 645, 978

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

• Greatest Common Factor of 162, 645, 978 by common division method
• Greatest Common Factor of 162, 645, 978 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

Factors of 162

List of positive integer factors of 162 that divides 162 without a remainder.

1,2,3,6,9,18,27,54,81,162

Factors of 645

List of positive integer factors of 645 that divides 645 without a remainder.

1,3,5,15,43,129,215,645

Factors of 978

List of positive integer factors of 978 that divides 978 without a remainder.

1,2,3,6,163,326,489,978

Greatest Common Factor

We found the factors 162,645,978 . The biggest common factor number is the GCF number.
So the greatest common factor 162,645,978 is 3.

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

• GCF of 572, 503, 331
• GCF of 574, 962, 810
• GCF of 270, 638, 279
• GCF of 439, 780, 450
• GCF of 340, 326, 113

1. What is the GCF of 162, 645, 978?

Answer: GCF of 162, 645, 978 is 3.

2. How to Find the GCF of 162, 645, 978

Answer: Greatest Common Factor(GCF) of 162, 645, 978 = 3

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

Step 2: Then multiply all the prime factors GCF(162, 645, 978) = 3.