Greatest Common Factor of 61, 31, 170

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

• Greatest Common Factor of 61, 31, 170 by common division method
• Greatest Common Factor of 61, 31, 170 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 61

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

1,61

Factors of 31

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

1,31

Factors of 170

List of positive integer factors of 170 that divides 170 without a remainder.

1,2,5,10,17,34,85,170

Greatest Common Factor

We found the factors 61,31,170 . The biggest common factor number is the GCF number.
So the greatest common factor 61,31,170 is 1.

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

• GCF of 33, 56, 611
• GCF of 31, 43, 194
• GCF of 42, 81, 690
• GCF of 87, 77, 693
• GCF of 27, 96, 875

1. What is the GCF of 61, 31, 170?

Answer: GCF of 61, 31, 170 is 1.

2. How to Find the GCF of 61, 31, 170

Answer: Greatest Common Factor(GCF) of 61, 31, 170 = 1

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

Step 2: Then multiply all the prime factors GCF(61, 31, 170) = 1.