Greatest Common Factor of 921, 220, 170

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

• Greatest Common Factor of 921, 220, 170 by common division method
• Greatest Common Factor of 921, 220, 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 921

List of positive integer factors of 921 that divides 921 without a remainder.

1,3,307,921

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

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 921,220,170 . The biggest common factor number is the GCF number.
So the greatest common factor 921,220,170 is 1.

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

• GCF of 815, 838, 322
• GCF of 659, 582, 469
• GCF of 425, 833, 379
• GCF of 391, 536, 921
• GCF of 801, 593, 218

1. What is the GCF of 921, 220, 170?

Answer: GCF of 921, 220, 170 is 1.

2. How to Find the GCF of 921, 220, 170

Answer: Greatest Common Factor(GCF) of 921, 220, 170 = 1

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

Step 2: Then multiply all the prime factors GCF(921, 220, 170) = 1.