Greatest Common Factor of 78, 72, 442, 809

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

• Greatest Common Factor of 78, 72, 442, 809 by common division method
• Greatest Common Factor of 78, 72, 442, 809 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 78

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

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

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 442

List of positive integer factors of 442 that divides 442 without a remainder.

1,2,13,17,26,34,221,442

Factors of 809

List of positive integer factors of 809 that divides 809 without a remainder.

1,809

Greatest Common Factor

We found the factors 78,72,442,809 . The biggest common factor number is the GCF number.
So the greatest common factor 78,72,442,809 is 1.

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

• GCF of 27, 22, 223, 723
• GCF of 27, 11, 105, 391
• GCF of 48, 90, 541, 806
• GCF of 99, 68, 973, 173
• GCF of 46, 57, 131, 850

1. What is the GCF of 78, 72, 442, 809?

Answer: GCF of 78, 72, 442, 809 is 1.

2. How to Find the GCF of 78, 72, 442, 809

Answer: Greatest Common Factor(GCF) of 78, 72, 442, 809 = 1

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

Step 2: Then multiply all the prime factors GCF(78, 72, 442, 809) = 1.