Greatest Common Factor of 189, 642, 563, 660

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

• Greatest Common Factor of 189, 642, 563, 660 by common division method
• Greatest Common Factor of 189, 642, 563, 660 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 189

List of positive integer factors of 189 that divides 189 without a remainder.

1,3,7,9,21,27,63,189

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 563

List of positive integer factors of 563 that divides 563 without a remainder.

1,563

Factors of 660

List of positive integer factors of 660 that divides 660 without a remainder.

1,2,3,4,5,6,10,11,12,15,20,22,30,33,44,55,60,66,110,132,165,220,330,660

Greatest Common Factor

We found the factors 189,642,563,660 . The biggest common factor number is the GCF number.
So the greatest common factor 189,642,563,660 is 1.

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

• GCF of 151, 222, 817, 447
• GCF of 944, 729, 888, 473
• GCF of 709, 462, 754, 865
• GCF of 243, 825, 821, 375
• GCF of 352, 490, 280, 473

1. What is the GCF of 189, 642, 563, 660?

Answer: GCF of 189, 642, 563, 660 is 1.

2. How to Find the GCF of 189, 642, 563, 660

Answer: Greatest Common Factor(GCF) of 189, 642, 563, 660 = 1

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

Step 2: Then multiply all the prime factors GCF(189, 642, 563, 660) = 1.