Greatest Common Factor of 162, 729, 420

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

• Greatest Common Factor of 162, 729, 420 by common division method
• Greatest Common Factor of 162, 729, 420 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

Factors of 162

List of positive integer factors of 162 that divides 162 without a remainder.

1,2,3,6,9,18,27,54,81,162

Factors of 729

List of positive integer factors of 729 that divides 729 without a remainder.

1,3,9,27,81,243,729

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

Greatest Common Factor

We found the factors 162,729,420 . The biggest common factor number is the GCF number.
So the greatest common factor 162,729,420 is 3.

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

• GCF of 201, 629, 890
• GCF of 832, 958, 937
• GCF of 765, 858, 174
• GCF of 560, 812, 417
• GCF of 290, 621, 862

1. What is the GCF of 162, 729, 420?

Answer: GCF of 162, 729, 420 is 3.

2. How to Find the GCF of 162, 729, 420

Answer: Greatest Common Factor(GCF) of 162, 729, 420 = 3

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

Step 2: Then multiply all the prime factors GCF(162, 729, 420) = 3.