Greatest Common Factor of 821, 742, 217

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

• Greatest Common Factor of 821, 742, 217 by common division method
• Greatest Common Factor of 821, 742, 217 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 742

List of positive integer factors of 742 that divides 742 without a remainder.

1,2,7,14,53,106,371,742

Factors of 217

List of positive integer factors of 217 that divides 217 without a remainder.

1,7,31,217

Greatest Common Factor

We found the factors 821,742,217 . The biggest common factor number is the GCF number.
So the greatest common factor 821,742,217 is 1.

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

• GCF of 694, 508, 859
• GCF of 376, 923, 434
• GCF of 993, 141, 857
• GCF of 189, 601, 218
• GCF of 568, 563, 800

1. What is the GCF of 821, 742, 217?

Answer: GCF of 821, 742, 217 is 1.

2. How to Find the GCF of 821, 742, 217

Answer: Greatest Common Factor(GCF) of 821, 742, 217 = 1

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

Step 2: Then multiply all the prime factors GCF(821, 742, 217) = 1.