Greatest Common Factor of 513, 821, 221

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

• Greatest Common Factor of 513, 821, 221 by common division method
• Greatest Common Factor of 513, 821, 221 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 513

List of positive integer factors of 513 that divides 513 without a remainder.

1,3,9,19,27,57,171,513

Factors of 821

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

1,821

Factors of 221

List of positive integer factors of 221 that divides 221 without a remainder.

1,13,17,221

Greatest Common Factor

We found the factors 513,821,221 . The biggest common factor number is the GCF number.
So the greatest common factor 513,821,221 is 1.

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

• GCF of 334, 353, 216
• GCF of 704, 244, 802
• GCF of 570, 916, 520
• GCF of 512, 280, 155
• GCF of 717, 129, 184

1. What is the GCF of 513, 821, 221?

Answer: GCF of 513, 821, 221 is 1.

2. How to Find the GCF of 513, 821, 221

Answer: Greatest Common Factor(GCF) of 513, 821, 221 = 1

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

Step 2: Then multiply all the prime factors GCF(513, 821, 221) = 1.