Greatest Common Factor of 30, 89, 28, 188

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

• Greatest Common Factor of 30, 89, 28, 188 by common division method
• Greatest Common Factor of 30, 89, 28, 188 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 30

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

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

Factors of 89

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

1,89

Factors of 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 188

List of positive integer factors of 188 that divides 188 without a remainder.

1,2,4,47,94,188

Greatest Common Factor

We found the factors 30,89,28,188 . The biggest common factor number is the GCF number.
So the greatest common factor 30,89,28,188 is 1.

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

• GCF of 76, 46, 47, 949
• GCF of 20, 10, 11, 962
• GCF of 42, 77, 86, 289
• GCF of 95, 70, 43, 359
• GCF of 24, 86, 75, 875

1. What is the GCF of 30, 89, 28, 188?

Answer: GCF of 30, 89, 28, 188 is 1.

2. How to Find the GCF of 30, 89, 28, 188

Answer: Greatest Common Factor(GCF) of 30, 89, 28, 188 = 1

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

Step 2: Then multiply all the prime factors GCF(30, 89, 28, 188) = 1.