Greatest Common Factor of 20, 62, 45, 20, 290

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

• Greatest Common Factor of 20, 62, 45, 20, 290 by common division method
• Greatest Common Factor of 20, 62, 45, 20, 290 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 20

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

1,2,4,5,10,20

Factors of 62

List of positive integer factors of 62 that divides 62 without a remainder.

1,2,31,62

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 20

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

1,2,4,5,10,20

Factors of 290

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

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

Greatest Common Factor

We found the factors 20,62,45,20,290 . The biggest common factor number is the GCF number.
So the greatest common factor 20,62,45,20,290 is 1.

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

• GCF of 84, 21, 51, 36, 357
• GCF of 26, 70, 64, 46, 622
• GCF of 82, 31, 71, 20, 570
• GCF of 40, 26, 20, 53, 914
• GCF of 32, 61, 71, 89, 751

1. What is the GCF of 20, 62, 45, 20, 290?

Answer: GCF of 20, 62, 45, 20, 290 is 1.

2. How to Find the GCF of 20, 62, 45, 20, 290

Answer: Greatest Common Factor(GCF) of 20, 62, 45, 20, 290 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 62, 45, 20, 290) = 1.