Greatest Common Factor of 132, 639, 288, 420, 170

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

• Greatest Common Factor of 132, 639, 288, 420, 170 by common division method
• Greatest Common Factor of 132, 639, 288, 420, 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 132

List of positive integer factors of 132 that divides 132 without a remainder.

1,2,3,4,6,11,12,22,33,44,66,132

Factors of 639

List of positive integer factors of 639 that divides 639 without a remainder.

1,3,9,71,213,639

Factors of 288

List of positive integer factors of 288 that divides 288 without a remainder.

1,2,3,4,6,8,9,12,16,18,24,32,36,48,72,96,144,288

Factors of 420

List of positive integer factors of 420 that divides 420 without a remainder.

1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420

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 132,639,288,420,170 . The biggest common factor number is the GCF number.
So the greatest common factor 132,639,288,420,170 is 1.

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

• GCF of 523, 377, 758, 182, 150
• GCF of 103, 369, 194, 780, 680
• GCF of 915, 472, 243, 143, 501
• GCF of 612, 896, 722, 244, 716
• GCF of 982, 368, 383, 908, 285

1. What is the GCF of 132, 639, 288, 420, 170?

Answer: GCF of 132, 639, 288, 420, 170 is 1.

2. How to Find the GCF of 132, 639, 288, 420, 170

Answer: Greatest Common Factor(GCF) of 132, 639, 288, 420, 170 = 1

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

Step 2: Then multiply all the prime factors GCF(132, 639, 288, 420, 170) = 1.