Greatest Common Factor of 10, 40, 36, 391

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

• Greatest Common Factor of 10, 40, 36, 391 by common division method
• Greatest Common Factor of 10, 40, 36, 391 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 10

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 36

List of positive integer factors of 36 that divides 36 without a remainder.

1,2,3,4,6,9,12,18,36

Factors of 391

List of positive integer factors of 391 that divides 391 without a remainder.

1,17,23,391

Greatest Common Factor

We found the factors 10,40,36,391 . The biggest common factor number is the GCF number.
So the greatest common factor 10,40,36,391 is 1.

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

• GCF of 55, 56, 74, 758
• GCF of 38, 89, 50, 952
• GCF of 50, 54, 33, 621
• GCF of 44, 60, 46, 905
• GCF of 42, 18, 69, 922

1. What is the GCF of 10, 40, 36, 391?

Answer: GCF of 10, 40, 36, 391 is 1.

2. How to Find the GCF of 10, 40, 36, 391

Answer: Greatest Common Factor(GCF) of 10, 40, 36, 391 = 1

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

Step 2: Then multiply all the prime factors GCF(10, 40, 36, 391) = 1.