Greatest Common Factor of 65, 20, 728, 156

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

• Greatest Common Factor of 65, 20, 728, 156 by common division method
• Greatest Common Factor of 65, 20, 728, 156 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 65

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

1,5,13,65

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

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 156

List of positive integer factors of 156 that divides 156 without a remainder.

1,2,3,4,6,12,13,26,39,52,78,156

Greatest Common Factor

We found the factors 65,20,728,156 . The biggest common factor number is the GCF number.
So the greatest common factor 65,20,728,156 is 1.

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

• GCF of 12, 38, 932, 990
• GCF of 62, 41, 796, 856
• GCF of 64, 46, 775, 500
• GCF of 27, 43, 699, 342
• GCF of 89, 81, 508, 216

1. What is the GCF of 65, 20, 728, 156?

Answer: GCF of 65, 20, 728, 156 is 1.

2. How to Find the GCF of 65, 20, 728, 156

Answer: Greatest Common Factor(GCF) of 65, 20, 728, 156 = 1

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

Step 2: Then multiply all the prime factors GCF(65, 20, 728, 156) = 1.