Greatest Common Factor of 821, 612, 51

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

• Greatest Common Factor of 821, 612, 51 by common division method
• Greatest Common Factor of 821, 612, 51 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 821

List of positive integer factors of 821 that divides 821 without a remainder.

1,821

Factors of 612

List of positive integer factors of 612 that divides 612 without a remainder.

1,2,3,4,6,9,12,17,18,34,36,51,68,102,153,204,306,612

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Greatest Common Factor

We found the factors 821,612,51 . The biggest common factor number is the GCF number.
So the greatest common factor 821,612,51 is 1.

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

• GCF of 497, 980, 91
• GCF of 376, 116, 49
• GCF of 820, 865, 95
• GCF of 891, 516, 61
• GCF of 175, 467, 23

1. What is the GCF of 821, 612, 51?

Answer: GCF of 821, 612, 51 is 1.

2. How to Find the GCF of 821, 612, 51

Answer: Greatest Common Factor(GCF) of 821, 612, 51 = 1

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

Step 2: Then multiply all the prime factors GCF(821, 612, 51) = 1.