Greatest Common Factor of 81, 48, 72, 63, 778

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

• Greatest Common Factor of 81, 48, 72, 63, 778 by common division method
• Greatest Common Factor of 81, 48, 72, 63, 778 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 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 48

List of positive integer factors of 48 that divides 48 without a remainder.

1,2,3,4,6,8,12,16,24,48

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 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 778

List of positive integer factors of 778 that divides 778 without a remainder.

1,2,389,778

Greatest Common Factor

We found the factors 81,48,72,63,778 . The biggest common factor number is the GCF number.
So the greatest common factor 81,48,72,63,778 is 1.

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

• GCF of 50, 51, 52, 77, 214
• GCF of 66, 66, 16, 79, 631
• GCF of 58, 81, 56, 90, 260
• GCF of 82, 47, 91, 59, 163
• GCF of 50, 27, 51, 89, 830

1. What is the GCF of 81, 48, 72, 63, 778?

Answer: GCF of 81, 48, 72, 63, 778 is 1.

2. How to Find the GCF of 81, 48, 72, 63, 778

Answer: Greatest Common Factor(GCF) of 81, 48, 72, 63, 778 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 48, 72, 63, 778) = 1.