Greatest Common Factor of 987, 969, 20

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

• Greatest Common Factor of 987, 969, 20 by common division method
• Greatest Common Factor of 987, 969, 20 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 987

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

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

Factors of 969

List of positive integer factors of 969 that divides 969 without a remainder.

1,3,17,19,51,57,323,969

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Greatest Common Factor

We found the factors 987,969,20 . The biggest common factor number is the GCF number.
So the greatest common factor 987,969,20 is 1.

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

• GCF of 278, 965, 62
• GCF of 899, 408, 82
• GCF of 397, 684, 84
• GCF of 829, 893, 60
• GCF of 216, 480, 42

1. What is the GCF of 987, 969, 20?

Answer: GCF of 987, 969, 20 is 1.

2. How to Find the GCF of 987, 969, 20

Answer: Greatest Common Factor(GCF) of 987, 969, 20 = 1

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

Step 2: Then multiply all the prime factors GCF(987, 969, 20) = 1.