Greatest Common Factor of 84, 49, 57, 43, 18

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

• Greatest Common Factor of 84, 49, 57, 43, 18 by common division method
• Greatest Common Factor of 84, 49, 57, 43, 18 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 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 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Factors of 57

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

1,3,19,57

Factors of 43

List of positive integer factors of 43 that divides 43 without a remainder.

1,43

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Greatest Common Factor

We found the factors 84,49,57,43,18 . The biggest common factor number is the GCF number.
So the greatest common factor 84,49,57,43,18 is 1.

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

• GCF of 82, 10, 41, 79, 36
• GCF of 54, 65, 11, 38, 13
• GCF of 93, 48, 75, 32, 13
• GCF of 46, 60, 29, 92, 43
• GCF of 39, 36, 64, 22, 36

1. What is the GCF of 84, 49, 57, 43, 18?

Answer: GCF of 84, 49, 57, 43, 18 is 1.

2. How to Find the GCF of 84, 49, 57, 43, 18

Answer: Greatest Common Factor(GCF) of 84, 49, 57, 43, 18 = 1

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

Step 2: Then multiply all the prime factors GCF(84, 49, 57, 43, 18) = 1.