Greatest Common Factor of 70, 30, 65, 89, 989

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

• Greatest Common Factor of 70, 30, 65, 89, 989 by common division method
• Greatest Common Factor of 70, 30, 65, 89, 989 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 70

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

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

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 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Factors of 89

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

1,89

Factors of 989

List of positive integer factors of 989 that divides 989 without a remainder.

1,23,43,989

Greatest Common Factor

We found the factors 70,30,65,89,989 . The biggest common factor number is the GCF number.
So the greatest common factor 70,30,65,89,989 is 1.

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

• GCF of 23, 85, 62, 77, 560
• GCF of 39, 85, 22, 80, 264
• GCF of 75, 74, 93, 93, 134
• GCF of 40, 86, 36, 87, 893
• GCF of 38, 93, 78, 45, 156

1. What is the GCF of 70, 30, 65, 89, 989?

Answer: GCF of 70, 30, 65, 89, 989 is 1.

2. How to Find the GCF of 70, 30, 65, 89, 989

Answer: Greatest Common Factor(GCF) of 70, 30, 65, 89, 989 = 1

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

Step 2: Then multiply all the prime factors GCF(70, 30, 65, 89, 989) = 1.