Greatest Common Factor of 40, 385, 645

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

• Greatest Common Factor of 40, 385, 645 by common division method
• Greatest Common Factor of 40, 385, 645 with matching the biggest common factor

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∴ So the GCF of the given numbers is 5 = 5

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 385

List of positive integer factors of 385 that divides 385 without a remainder.

1,5,7,11,35,55,77,385

Factors of 645

List of positive integer factors of 645 that divides 645 without a remainder.

1,3,5,15,43,129,215,645

Greatest Common Factor

We found the factors 40,385,645 . The biggest common factor number is the GCF number.
So the greatest common factor 40,385,645 is 5.

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

• GCF of 57, 804, 818
• GCF of 70, 489, 297
• GCF of 97, 501, 734
• GCF of 39, 532, 261
• GCF of 88, 388, 584

1. What is the GCF of 40, 385, 645?

Answer: GCF of 40, 385, 645 is 5.

2. How to Find the GCF of 40, 385, 645

Answer: Greatest Common Factor(GCF) of 40, 385, 645 = 5

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

Step 2: Then multiply all the prime factors GCF(40, 385, 645) = 5.