Greatest Common Factor of 42, 489, 868

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

• Greatest Common Factor of 42, 489, 868 by common division method
• Greatest Common Factor of 42, 489, 868 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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 489

List of positive integer factors of 489 that divides 489 without a remainder.

1,3,163,489

Factors of 868

List of positive integer factors of 868 that divides 868 without a remainder.

1,2,4,7,14,28,31,62,124,217,434,868

Greatest Common Factor

We found the factors 42,489,868 . The biggest common factor number is the GCF number.
So the greatest common factor 42,489,868 is 1.

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

• GCF of 78, 343, 273
• GCF of 97, 322, 624
• GCF of 55, 826, 538
• GCF of 98, 162, 465
• GCF of 12, 395, 326

1. What is the GCF of 42, 489, 868?

Answer: GCF of 42, 489, 868 is 1.

2. How to Find the GCF of 42, 489, 868

Answer: Greatest Common Factor(GCF) of 42, 489, 868 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 489, 868) = 1.