Greatest Common Factor of 20, 41, 78, 987

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

• Greatest Common Factor of 20, 41, 78, 987 by common division method
• Greatest Common Factor of 20, 41, 78, 987 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 20

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

1,2,4,5,10,20

Factors of 41

List of positive integer factors of 41 that divides 41 without a remainder.

1,41

Factors of 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 987

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

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

Greatest Common Factor

We found the factors 20,41,78,987 . The biggest common factor number is the GCF number.
So the greatest common factor 20,41,78,987 is 1.

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

• GCF of 36, 17, 93, 857
• GCF of 97, 36, 37, 355
• GCF of 14, 43, 10, 516
• GCF of 26, 57, 32, 650
• GCF of 44, 88, 25, 153

1. What is the GCF of 20, 41, 78, 987?

Answer: GCF of 20, 41, 78, 987 is 1.

2. How to Find the GCF of 20, 41, 78, 987

Answer: Greatest Common Factor(GCF) of 20, 41, 78, 987 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 41, 78, 987) = 1.