Greatest Common Factor of 42, 89, 11, 30, 60

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

• Greatest Common Factor of 42, 89, 11, 30, 60 by common division method
• Greatest Common Factor of 42, 89, 11, 30, 60 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 42

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

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

Factors of 89

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

1,89

Factors of 11

List of positive integer factors of 11 that divides 11 without a remainder.

1,11

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Greatest Common Factor

We found the factors 42,89,11,30,60 . The biggest common factor number is the GCF number.
So the greatest common factor 42,89,11,30,60 is 1.

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

• GCF of 86, 95, 61, 79, 50
• GCF of 85, 81, 39, 22, 68
• GCF of 32, 30, 33, 58, 68
• GCF of 68, 46, 98, 87, 68
• GCF of 71, 84, 38, 90, 56

1. What is the GCF of 42, 89, 11, 30, 60?

Answer: GCF of 42, 89, 11, 30, 60 is 1.

2. How to Find the GCF of 42, 89, 11, 30, 60

Answer: Greatest Common Factor(GCF) of 42, 89, 11, 30, 60 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 89, 11, 30, 60) = 1.