Greatest Common Factor of 857, 170, 220

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

• Greatest Common Factor of 857, 170, 220 by common division method
• Greatest Common Factor of 857, 170, 220 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 857

List of positive integer factors of 857 that divides 857 without a remainder.

1,857

Factors of 170

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

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

Factors of 220

List of positive integer factors of 220 that divides 220 without a remainder.

1,2,4,5,10,11,20,22,44,55,110,220

Greatest Common Factor

We found the factors 857,170,220 . The biggest common factor number is the GCF number.
So the greatest common factor 857,170,220 is 1.

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

• GCF of 185, 970, 968
• GCF of 464, 314, 490
• GCF of 686, 980, 975
• GCF of 411, 245, 812
• GCF of 314, 235, 415

1. What is the GCF of 857, 170, 220?

Answer: GCF of 857, 170, 220 is 1.

2. How to Find the GCF of 857, 170, 220

Answer: Greatest Common Factor(GCF) of 857, 170, 220 = 1

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

Step 2: Then multiply all the prime factors GCF(857, 170, 220) = 1.