Greatest Common Factor of 642, 781, 27

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

• Greatest Common Factor of 642, 781, 27 by common division method
• Greatest Common Factor of 642, 781, 27 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 642

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

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

Factors of 781

List of positive integer factors of 781 that divides 781 without a remainder.

1,11,71,781

Factors of 27

List of positive integer factors of 27 that divides 27 without a remainder.

1,3,9,27

Greatest Common Factor

We found the factors 642,781,27 . The biggest common factor number is the GCF number.
So the greatest common factor 642,781,27 is 1.

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

• GCF of 314, 455, 45
• GCF of 992, 781, 20
• GCF of 732, 843, 92
• GCF of 448, 361, 82
• GCF of 489, 916, 27

1. What is the GCF of 642, 781, 27?

Answer: GCF of 642, 781, 27 is 1.

2. How to Find the GCF of 642, 781, 27

Answer: Greatest Common Factor(GCF) of 642, 781, 27 = 1

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

Step 2: Then multiply all the prime factors GCF(642, 781, 27) = 1.