Greatest Common Factor of 42, 28, 487

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

• Greatest Common Factor of 42, 28, 487 by common division method
• Greatest Common Factor of 42, 28, 487 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ 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 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 487

List of positive integer factors of 487 that divides 487 without a remainder.

1,487

Greatest Common Factor

We found the factors 42,28,487 . The biggest common factor number is the GCF number.
So the greatest common factor 42,28,487 is 1.

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

• GCF of 36, 81, 697
• GCF of 60, 78, 657
• GCF of 26, 18, 127
• GCF of 31, 24, 979
• GCF of 46, 98, 858

1. What is the GCF of 42, 28, 487?

Answer: GCF of 42, 28, 487 is 1.

2. How to Find the GCF of 42, 28, 487

Answer: Greatest Common Factor(GCF) of 42, 28, 487 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 28, 487) = 1.