Greatest Common Factor of 645, 800, 742

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

• Greatest Common Factor of 645, 800, 742 by common division method
• Greatest Common Factor of 645, 800, 742 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 645

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

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

Factors of 800

List of positive integer factors of 800 that divides 800 without a remainder.

1,2,4,5,8,10,16,20,25,32,40,50,80,100,160,200,400,800

Factors of 742

List of positive integer factors of 742 that divides 742 without a remainder.

1,2,7,14,53,106,371,742

Greatest Common Factor

We found the factors 645,800,742 . The biggest common factor number is the GCF number.
So the greatest common factor 645,800,742 is 1.

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

• GCF of 661, 183, 775
• GCF of 141, 836, 784
• GCF of 403, 845, 346
• GCF of 434, 878, 841
• GCF of 199, 860, 372

1. What is the GCF of 645, 800, 742?

Answer: GCF of 645, 800, 742 is 1.

2. How to Find the GCF of 645, 800, 742

Answer: Greatest Common Factor(GCF) of 645, 800, 742 = 1

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

Step 2: Then multiply all the prime factors GCF(645, 800, 742) = 1.