Greatest Common Factor of 81, 420, 708

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

• Greatest Common Factor of 81, 420, 708 by common division method
• Greatest Common Factor of 81, 420, 708 with matching the biggest common factor

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

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

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 708

List of positive integer factors of 708 that divides 708 without a remainder.

1,2,3,4,6,12,59,118,177,236,354,708

Greatest Common Factor

We found the factors 81,420,708 . The biggest common factor number is the GCF number.
So the greatest common factor 81,420,708 is 3.

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

• GCF of 67, 471, 983
• GCF of 34, 682, 776
• GCF of 58, 563, 331
• GCF of 38, 542, 753
• GCF of 27, 835, 812

1. What is the GCF of 81, 420, 708?

Answer: GCF of 81, 420, 708 is 3.

2. How to Find the GCF of 81, 420, 708

Answer: Greatest Common Factor(GCF) of 81, 420, 708 = 3

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

Step 2: Then multiply all the prime factors GCF(81, 420, 708) = 3.