Greatest Common Factor of 485, 578, 20

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

• Greatest Common Factor of 485, 578, 20 by common division method
• Greatest Common Factor of 485, 578, 20 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 485

List of positive integer factors of 485 that divides 485 without a remainder.

1,5,97,485

Factors of 578

List of positive integer factors of 578 that divides 578 without a remainder.

1,2,17,34,289,578

Factors of 20

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

1,2,4,5,10,20

Greatest Common Factor

We found the factors 485,578,20 . The biggest common factor number is the GCF number.
So the greatest common factor 485,578,20 is 1.

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

• GCF of 915, 142, 69
• GCF of 447, 777, 21
• GCF of 602, 138, 70
• GCF of 688, 990, 58
• GCF of 453, 863, 40

1. What is the GCF of 485, 578, 20?

Answer: GCF of 485, 578, 20 is 1.

2. How to Find the GCF of 485, 578, 20

Answer: Greatest Common Factor(GCF) of 485, 578, 20 = 1

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

Step 2: Then multiply all the prime factors GCF(485, 578, 20) = 1.