Greatest Common Factor of 43, 72, 42, 84

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

• Greatest Common Factor of 43, 72, 42, 84 by common division method
• Greatest Common Factor of 43, 72, 42, 84 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 43

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

1,43

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

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

Greatest Common Factor

We found the factors 43,72,42,84 . The biggest common factor number is the GCF number.
So the greatest common factor 43,72,42,84 is 1.

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

• GCF of 28, 87, 92, 34
• GCF of 41, 32, 42, 21
• GCF of 15, 98, 28, 48
• GCF of 27, 72, 91, 23
• GCF of 84, 51, 74, 81

1. What is the GCF of 43, 72, 42, 84?

Answer: GCF of 43, 72, 42, 84 is 1.

2. How to Find the GCF of 43, 72, 42, 84

Answer: Greatest Common Factor(GCF) of 43, 72, 42, 84 = 1

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

Step 2: Then multiply all the prime factors GCF(43, 72, 42, 84) = 1.