Greatest Common Factor of 57, 19, 45, 20, 36

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

• Greatest Common Factor of 57, 19, 45, 20, 36 by common division method
• Greatest Common Factor of 57, 19, 45, 20, 36 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 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Factors of 19

List of positive integer factors of 19 that divides 19 without a remainder.

1,19

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 36

List of positive integer factors of 36 that divides 36 without a remainder.

1,2,3,4,6,9,12,18,36

Greatest Common Factor

We found the factors 57,19,45,20,36 . The biggest common factor number is the GCF number.
So the greatest common factor 57,19,45,20,36 is 1.

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

• GCF of 94, 27, 20, 87, 56
• GCF of 80, 46, 30, 90, 41
• GCF of 17, 22, 85, 24, 30
• GCF of 50, 95, 31, 56, 66
• GCF of 52, 27, 17, 95, 20

1. What is the GCF of 57, 19, 45, 20, 36?

Answer: GCF of 57, 19, 45, 20, 36 is 1.

2. How to Find the GCF of 57, 19, 45, 20, 36

Answer: Greatest Common Factor(GCF) of 57, 19, 45, 20, 36 = 1

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

Step 2: Then multiply all the prime factors GCF(57, 19, 45, 20, 36) = 1.