Greatest Common Factor of 72, 42, 84, 511

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

• Greatest Common Factor of 72, 42, 84, 511 by common division method
• Greatest Common Factor of 72, 42, 84, 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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

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 72,42,84,511 . The biggest common factor number is the GCF number.
So the greatest common factor 72,42,84,511 is 1.

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

• GCF of 69, 36, 83, 464
• GCF of 61, 80, 18, 903
• GCF of 35, 69, 83, 847
• GCF of 75, 57, 97, 532
• GCF of 65, 86, 14, 322

1. What is the GCF of 72, 42, 84, 511?

Answer: GCF of 72, 42, 84, 511 is 1.

2. How to Find the GCF of 72, 42, 84, 511

Answer: Greatest Common Factor(GCF) of 72, 42, 84, 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, 42, 84, 511) = 1.