Greatest Common Factor of 42, 99, 670

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

• Greatest Common Factor of 42, 99, 670 by common division method
• Greatest Common Factor of 42, 99, 670 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 99

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

1,3,9,11,33,99

Factors of 670

List of positive integer factors of 670 that divides 670 without a remainder.

1,2,5,10,67,134,335,670

Greatest Common Factor

We found the factors 42,99,670 . The biggest common factor number is the GCF number.
So the greatest common factor 42,99,670 is 1.

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

• GCF of 46, 24, 567
• GCF of 99, 80, 272
• GCF of 64, 71, 114
• GCF of 77, 27, 374
• GCF of 95, 47, 163

1. What is the GCF of 42, 99, 670?

Answer: GCF of 42, 99, 670 is 1.

2. How to Find the GCF of 42, 99, 670

Answer: Greatest Common Factor(GCF) of 42, 99, 670 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 99, 670) = 1.