Greatest Common Factor of 642, 382, 171, 720

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

• Greatest Common Factor of 642, 382, 171, 720 by common division method
• Greatest Common Factor of 642, 382, 171, 720 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 642

List of positive integer factors of 642 that divides 642 without a remainder.

1,2,3,6,107,214,321,642

Factors of 382

List of positive integer factors of 382 that divides 382 without a remainder.

1,2,191,382

Factors of 171

List of positive integer factors of 171 that divides 171 without a remainder.

1,3,9,19,57,171

Factors of 720

List of positive integer factors of 720 that divides 720 without a remainder.

1,2,3,4,5,6,8,9,10,12,15,16,18,20,24,30,36,40,45,48,60,72,80,90,120,144,180,240,360,720

Greatest Common Factor

We found the factors 642,382,171,720 . The biggest common factor number is the GCF number.
So the greatest common factor 642,382,171,720 is 1.

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

• GCF of 509, 183, 549, 926
• GCF of 705, 341, 760, 285
• GCF of 192, 373, 246, 788
• GCF of 378, 647, 503, 380
• GCF of 218, 638, 997, 276

1. What is the GCF of 642, 382, 171, 720?

Answer: GCF of 642, 382, 171, 720 is 1.

2. How to Find the GCF of 642, 382, 171, 720

Answer: Greatest Common Factor(GCF) of 642, 382, 171, 720 = 1

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

Step 2: Then multiply all the prime factors GCF(642, 382, 171, 720) = 1.