Greatest Common Factor of 43, 89, 45, 42

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

• Greatest Common Factor of 43, 89, 45, 42 by common division method
• Greatest Common Factor of 43, 89, 45, 42 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 89

List of positive integer factors of 89 that divides 89 without a remainder.

1,89

Factors of 45

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

1,3,5,9,15,45

Factors of 42

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

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

Greatest Common Factor

We found the factors 43,89,45,42 . The biggest common factor number is the GCF number.
So the greatest common factor 43,89,45,42 is 1.

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

• GCF of 71, 74, 74, 35
• GCF of 25, 90, 88, 69
• GCF of 26, 54, 63, 57
• GCF of 69, 95, 89, 50
• GCF of 60, 12, 85, 17

1. What is the GCF of 43, 89, 45, 42?

Answer: GCF of 43, 89, 45, 42 is 1.

2. How to Find the GCF of 43, 89, 45, 42

Answer: Greatest Common Factor(GCF) of 43, 89, 45, 42 = 1

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

Step 2: Then multiply all the prime factors GCF(43, 89, 45, 42) = 1.