Greatest Common Factor of 23, 31, 17, 670

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

• Greatest Common Factor of 23, 31, 17, 670 by common division method
• Greatest Common Factor of 23, 31, 17, 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 23

List of positive integer factors of 23 that divides 23 without a remainder.

1,23

Factors of 31

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

1,31

Factors of 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

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 23,31,17,670 . The biggest common factor number is the GCF number.
So the greatest common factor 23,31,17,670 is 1.

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

• GCF of 46, 91, 71, 741
• GCF of 46, 74, 98, 723
• GCF of 55, 73, 55, 334
• GCF of 23, 40, 11, 131
• GCF of 61, 49, 34, 126

1. What is the GCF of 23, 31, 17, 670?

Answer: GCF of 23, 31, 17, 670 is 1.

2. How to Find the GCF of 23, 31, 17, 670

Answer: Greatest Common Factor(GCF) of 23, 31, 17, 670 = 1

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

Step 2: Then multiply all the prime factors GCF(23, 31, 17, 670) = 1.