Greatest Common Factor of 421, 865, 642

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

• Greatest Common Factor of 421, 865, 642 by common division method
• Greatest Common Factor of 421, 865, 642 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 865

List of positive integer factors of 865 that divides 865 without a remainder.

1,5,173,865

Factors of 642

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

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

Greatest Common Factor

We found the factors 421,865,642 . The biggest common factor number is the GCF number.
So the greatest common factor 421,865,642 is 1.

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

• GCF of 131, 182, 351
• GCF of 997, 862, 614
• GCF of 312, 170, 752
• GCF of 427, 646, 722
• GCF of 172, 390, 218

1. What is the GCF of 421, 865, 642?

Answer: GCF of 421, 865, 642 is 1.

2. How to Find the GCF of 421, 865, 642

Answer: Greatest Common Factor(GCF) of 421, 865, 642 = 1

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

Step 2: Then multiply all the prime factors GCF(421, 865, 642) = 1.