Greatest Common Factor of 32, 51, 20, 45

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

• Greatest Common Factor of 32, 51, 20, 45 by common division method
• Greatest Common Factor of 32, 51, 20, 45 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 32

List of positive integer factors of 32 that divides 32 without a remainder.

1,2,4,8,16,32

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 20

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

1,2,4,5,10,20

Factors of 45

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

1,3,5,9,15,45

Greatest Common Factor

We found the factors 32,51,20,45 . The biggest common factor number is the GCF number.
So the greatest common factor 32,51,20,45 is 1.

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

• GCF of 29, 73, 30, 83
• GCF of 96, 85, 96, 79
• GCF of 36, 25, 90, 74
• GCF of 46, 85, 34, 67
• GCF of 68, 31, 53, 16

1. What is the GCF of 32, 51, 20, 45?

Answer: GCF of 32, 51, 20, 45 is 1.

2. How to Find the GCF of 32, 51, 20, 45

Answer: Greatest Common Factor(GCF) of 32, 51, 20, 45 = 1

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

Step 2: Then multiply all the prime factors GCF(32, 51, 20, 45) = 1.