Greatest Common Factor of 89, 16, 68, 42

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

• Greatest Common Factor of 89, 16, 68, 42 by common division method
• Greatest Common Factor of 89, 16, 68, 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 89

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

1,89

Factors of 16

List of positive integer factors of 16 that divides 16 without a remainder.

1,2,4,8,16

Factors of 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

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 89,16,68,42 . The biggest common factor number is the GCF number.
So the greatest common factor 89,16,68,42 is 1.

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

• GCF of 94, 47, 99, 36
• GCF of 99, 10, 30, 48
• GCF of 56, 78, 74, 79
• GCF of 81, 67, 59, 53
• GCF of 72, 86, 21, 99

1. What is the GCF of 89, 16, 68, 42?

Answer: GCF of 89, 16, 68, 42 is 1.

2. How to Find the GCF of 89, 16, 68, 42

Answer: Greatest Common Factor(GCF) of 89, 16, 68, 42 = 1

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

Step 2: Then multiply all the prime factors GCF(89, 16, 68, 42) = 1.