Greatest Common Factor of 987, 555, 642

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

• Greatest Common Factor of 987, 555, 642 by common division method
• Greatest Common Factor of 987, 555, 642 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

Factors of 987

List of positive integer factors of 987 that divides 987 without a remainder.

1,3,7,21,47,141,329,987

Factors of 555

List of positive integer factors of 555 that divides 555 without a remainder.

1,3,5,15,37,111,185,555

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 987,555,642 . The biggest common factor number is the GCF number.
So the greatest common factor 987,555,642 is 3.

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

• GCF of 878, 903, 334
• GCF of 658, 993, 576
• GCF of 674, 225, 852
• GCF of 320, 121, 446
• GCF of 369, 754, 215

1. What is the GCF of 987, 555, 642?

Answer: GCF of 987, 555, 642 is 3.

2. How to Find the GCF of 987, 555, 642

Answer: Greatest Common Factor(GCF) of 987, 555, 642 = 3

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

Step 2: Then multiply all the prime factors GCF(987, 555, 642) = 3.