Greatest Common Factor of 72, 68, 13, 78, 511

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

• Greatest Common Factor of 72, 68, 13, 78, 511 by common division method
• Greatest Common Factor of 72, 68, 13, 78, 511 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 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 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

Factors of 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

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 511

List of positive integer factors of 511 that divides 511 without a remainder.

1,7,73,511

Greatest Common Factor

We found the factors 72,68,13,78,511 . The biggest common factor number is the GCF number.
So the greatest common factor 72,68,13,78,511 is 1.

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

• GCF of 29, 42, 86, 90, 571
• GCF of 82, 20, 79, 22, 326
• GCF of 46, 58, 96, 62, 488
• GCF of 33, 93, 11, 41, 549
• GCF of 43, 21, 72, 42, 622

1. What is the GCF of 72, 68, 13, 78, 511?

Answer: GCF of 72, 68, 13, 78, 511 is 1.

2. How to Find the GCF of 72, 68, 13, 78, 511

Answer: Greatest Common Factor(GCF) of 72, 68, 13, 78, 511 = 1

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

Step 2: Then multiply all the prime factors GCF(72, 68, 13, 78, 511) = 1.