Greatest Common Factor of 729, 640, 78

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

• Greatest Common Factor of 729, 640, 78 by common division method
• Greatest Common Factor of 729, 640, 78 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 729

List of positive integer factors of 729 that divides 729 without a remainder.

1,3,9,27,81,243,729

Factors of 640

List of positive integer factors of 640 that divides 640 without a remainder.

1,2,4,5,8,10,16,20,32,40,64,80,128,160,320,640

Factors of 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Greatest Common Factor

We found the factors 729,640,78 . The biggest common factor number is the GCF number.
So the greatest common factor 729,640,78 is 1.

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

• GCF of 744, 962, 76
• GCF of 731, 478, 62
• GCF of 587, 553, 97
• GCF of 100, 880, 28
• GCF of 415, 342, 69

1. What is the GCF of 729, 640, 78?

Answer: GCF of 729, 640, 78 is 1.

2. How to Find the GCF of 729, 640, 78

Answer: Greatest Common Factor(GCF) of 729, 640, 78 = 1

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

Step 2: Then multiply all the prime factors GCF(729, 640, 78) = 1.