Greatest Common Factor of 728, 438, 65

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

• Greatest Common Factor of 728, 438, 65 by common division method
• Greatest Common Factor of 728, 438, 65 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 728

List of positive integer factors of 728 that divides 728 without a remainder.

1,2,4,7,8,13,14,26,28,52,56,91,104,182,364,728

Factors of 438

List of positive integer factors of 438 that divides 438 without a remainder.

1,2,3,6,73,146,219,438

Factors of 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Greatest Common Factor

We found the factors 728,438,65 . The biggest common factor number is the GCF number.
So the greatest common factor 728,438,65 is 1.

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

• GCF of 510, 612, 73
• GCF of 565, 721, 74
• GCF of 334, 263, 42
• GCF of 775, 524, 90
• GCF of 311, 584, 66

1. What is the GCF of 728, 438, 65?

Answer: GCF of 728, 438, 65 is 1.

2. How to Find the GCF of 728, 438, 65

Answer: Greatest Common Factor(GCF) of 728, 438, 65 = 1

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

Step 2: Then multiply all the prime factors GCF(728, 438, 65) = 1.