Greatest Common Factor of 16, 85, 31, 670

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

• Greatest Common Factor of 16, 85, 31, 670 by common division method
• Greatest Common Factor of 16, 85, 31, 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 16

List of positive integer factors of 16 that divides 16 without a remainder.

1,2,4,8,16

Factors of 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Factors of 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

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 16,85,31,670 . The biggest common factor number is the GCF number.
So the greatest common factor 16,85,31,670 is 1.

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

• GCF of 48, 65, 99, 104
• GCF of 20, 60, 52, 640
• GCF of 70, 80, 79, 973
• GCF of 29, 38, 80, 278
• GCF of 61, 36, 30, 462

1. What is the GCF of 16, 85, 31, 670?

Answer: GCF of 16, 85, 31, 670 is 1.

2. How to Find the GCF of 16, 85, 31, 670

Answer: Greatest Common Factor(GCF) of 16, 85, 31, 670 = 1

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

Step 2: Then multiply all the prime factors GCF(16, 85, 31, 670) = 1.