Greatest Common Factor of 216, 561, 821

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

• Greatest Common Factor of 216, 561, 821 by common division method
• Greatest Common Factor of 216, 561, 821 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 216

List of positive integer factors of 216 that divides 216 without a remainder.

1,2,3,4,6,8,9,12,18,24,27,36,54,72,108,216

Factors of 561

List of positive integer factors of 561 that divides 561 without a remainder.

1,3,11,17,33,51,187,561

Factors of 821

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

1,821

Greatest Common Factor

We found the factors 216,561,821 . The biggest common factor number is the GCF number.
So the greatest common factor 216,561,821 is 1.

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

• GCF of 819, 673, 827
• GCF of 630, 510, 992
• GCF of 413, 950, 213
• GCF of 684, 286, 551
• GCF of 845, 692, 603

1. What is the GCF of 216, 561, 821?

Answer: GCF of 216, 561, 821 is 1.

2. How to Find the GCF of 216, 561, 821

Answer: Greatest Common Factor(GCF) of 216, 561, 821 = 1

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

Step 2: Then multiply all the prime factors GCF(216, 561, 821) = 1.