Greatest Common Factor of 45, 84, 57

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

• Greatest Common Factor of 45, 84, 57 by common division method
• Greatest Common Factor of 45, 84, 57 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

Factors of 45

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

1,3,5,9,15,45

Factors of 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Factors of 57

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

1,3,19,57

Greatest Common Factor

We found the factors 45,84,57 . The biggest common factor number is the GCF number.
So the greatest common factor 45,84,57 is 3.

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

• GCF of 92, 22, 68
• GCF of 94, 57, 75
• GCF of 69, 60, 66
• GCF of 57, 36, 28
• GCF of 37, 84, 47

1. What is the GCF of 45, 84, 57?

Answer: GCF of 45, 84, 57 is 3.

2. How to Find the GCF of 45, 84, 57

Answer: Greatest Common Factor(GCF) of 45, 84, 57 = 3

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

Step 2: Then multiply all the prime factors GCF(45, 84, 57) = 3.