Greatest Common Factor of 42, 87, 99, 664

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

• Greatest Common Factor of 42, 87, 99, 664 by common division method
• Greatest Common Factor of 42, 87, 99, 664 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 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Factors of 99

List of positive integer factors of 99 that divides 99 without a remainder.

1,3,9,11,33,99

Factors of 664

List of positive integer factors of 664 that divides 664 without a remainder.

1,2,4,8,83,166,332,664

Greatest Common Factor

We found the factors 42,87,99,664 . The biggest common factor number is the GCF number.
So the greatest common factor 42,87,99,664 is 1.

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

• GCF of 29, 35, 49, 543
• GCF of 11, 61, 54, 747
• GCF of 27, 63, 94, 772
• GCF of 65, 53, 80, 482
• GCF of 26, 38, 27, 473

1. What is the GCF of 42, 87, 99, 664?

Answer: GCF of 42, 87, 99, 664 is 1.

2. How to Find the GCF of 42, 87, 99, 664

Answer: Greatest Common Factor(GCF) of 42, 87, 99, 664 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 87, 99, 664) = 1.