Greatest Common Factor of 81, 423, 651

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

• Greatest Common Factor of 81, 423, 651 by common division method
• Greatest Common Factor of 81, 423, 651 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 423

List of positive integer factors of 423 that divides 423 without a remainder.

1,3,9,47,141,423

Factors of 651

List of positive integer factors of 651 that divides 651 without a remainder.

1,3,7,21,31,93,217,651

Greatest Common Factor

We found the factors 81,423,651 . The biggest common factor number is the GCF number.
So the greatest common factor 81,423,651 is 3.

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

• GCF of 28, 253, 916
• GCF of 91, 946, 190
• GCF of 91, 271, 582
• GCF of 52, 205, 187
• GCF of 43, 347, 498

1. What is the GCF of 81, 423, 651?

Answer: GCF of 81, 423, 651 is 3.

2. How to Find the GCF of 81, 423, 651

Answer: Greatest Common Factor(GCF) of 81, 423, 651 = 3

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

Step 2: Then multiply all the prime factors GCF(81, 423, 651) = 3.