Greatest Common Factor of 99, 70, 61

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

• Greatest Common Factor of 99, 70, 61 by common division method
• Greatest Common Factor of 99, 70, 61 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 99

List of positive integer factors of 99 that divides 99 without a remainder.

1,3,9,11,33,99

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 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Greatest Common Factor

We found the factors 99,70,61 . The biggest common factor number is the GCF number.
So the greatest common factor 99,70,61 is 1.

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

• GCF of 15, 45, 56
• GCF of 16, 17, 55
• GCF of 56, 24, 39
• GCF of 18, 79, 23
• GCF of 35, 35, 89

1. What is the GCF of 99, 70, 61?

Answer: GCF of 99, 70, 61 is 1.

2. How to Find the GCF of 99, 70, 61

Answer: Greatest Common Factor(GCF) of 99, 70, 61 = 1

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

Step 2: Then multiply all the prime factors GCF(99, 70, 61) = 1.