Greatest Common Factor of 20, 618, 542, 140

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

• Greatest Common Factor of 20, 618, 542, 140 by common division method
• Greatest Common Factor of 20, 618, 542, 140 with matching the biggest common factor

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

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 618

List of positive integer factors of 618 that divides 618 without a remainder.

1,2,3,6,103,206,309,618

Factors of 542

List of positive integer factors of 542 that divides 542 without a remainder.

1,2,271,542

Factors of 140

List of positive integer factors of 140 that divides 140 without a remainder.

1,2,4,5,7,10,14,20,28,35,70,140

Greatest Common Factor

We found the factors 20,618,542,140 . The biggest common factor number is the GCF number.
So the greatest common factor 20,618,542,140 is 2.

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

• GCF of 85, 728, 987, 893
• GCF of 65, 718, 888, 317
• GCF of 60, 682, 991, 547
• GCF of 83, 252, 817, 805
• GCF of 70, 883, 379, 256

1. What is the GCF of 20, 618, 542, 140?

Answer: GCF of 20, 618, 542, 140 is 2.

2. How to Find the GCF of 20, 618, 542, 140

Answer: Greatest Common Factor(GCF) of 20, 618, 542, 140 = 2

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

Step 2: Then multiply all the prime factors GCF(20, 618, 542, 140) = 2.