Greatest Common Factor of 88, 21, 70, 89

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

• Greatest Common Factor of 88, 21, 70, 89 by common division method
• Greatest Common Factor of 88, 21, 70, 89 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 88

List of positive integer factors of 88 that divides 88 without a remainder.

1,2,4,8,11,22,44,88

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

Factors of 89

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

1,89

Greatest Common Factor

We found the factors 88,21,70,89 . The biggest common factor number is the GCF number.
So the greatest common factor 88,21,70,89 is 1.

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

• GCF of 26, 41, 93, 88
• GCF of 50, 61, 45, 67
• GCF of 28, 64, 99, 77
• GCF of 90, 54, 10, 99
• GCF of 66, 27, 76, 61

1. What is the GCF of 88, 21, 70, 89?

Answer: GCF of 88, 21, 70, 89 is 1.

2. How to Find the GCF of 88, 21, 70, 89

Answer: Greatest Common Factor(GCF) of 88, 21, 70, 89 = 1

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

Step 2: Then multiply all the prime factors GCF(88, 21, 70, 89) = 1.