Greatest Common Factor of 421, 642, 571

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

• Greatest Common Factor of 421, 642, 571 by common division method
• Greatest Common Factor of 421, 642, 571 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 421

List of positive integer factors of 421 that divides 421 without a remainder.

1,421

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 571

List of positive integer factors of 571 that divides 571 without a remainder.

1,571

Greatest Common Factor

We found the factors 421,642,571 . The biggest common factor number is the GCF number.
So the greatest common factor 421,642,571 is 1.

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

• GCF of 611, 513, 532
• GCF of 288, 222, 618
• GCF of 419, 246, 314
• GCF of 160, 797, 969
• GCF of 254, 698, 491

1. What is the GCF of 421, 642, 571?

Answer: GCF of 421, 642, 571 is 1.

2. How to Find the GCF of 421, 642, 571

Answer: Greatest Common Factor(GCF) of 421, 642, 571 = 1

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

Step 2: Then multiply all the prime factors GCF(421, 642, 571) = 1.