Greatest Common Factor of 821, 642, 634

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

• Greatest Common Factor of 821, 642, 634 by common division method
• Greatest Common Factor of 821, 642, 634 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 642

List of positive integer factors of 642 that divides 642 without a remainder.

1,2,3,6,107,214,321,642

Factors of 634

List of positive integer factors of 634 that divides 634 without a remainder.

1,2,317,634

Greatest Common Factor

We found the factors 821,642,634 . The biggest common factor number is the GCF number.
So the greatest common factor 821,642,634 is 1.

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

• GCF of 335, 594, 271
• GCF of 570, 602, 380
• GCF of 529, 927, 416
• GCF of 347, 421, 848
• GCF of 842, 280, 736

1. What is the GCF of 821, 642, 634?

Answer: GCF of 821, 642, 634 is 1.

2. How to Find the GCF of 821, 642, 634

Answer: Greatest Common Factor(GCF) of 821, 642, 634 = 1

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

Step 2: Then multiply all the prime factors GCF(821, 642, 634) = 1.