Greatest Common Factor of 189, 651, 901, 20

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

• Greatest Common Factor of 189, 651, 901, 20 by common division method
• Greatest Common Factor of 189, 651, 901, 20 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 651

List of positive integer factors of 651 that divides 651 without a remainder.

1,3,7,21,31,93,217,651

Factors of 901

List of positive integer factors of 901 that divides 901 without a remainder.

1,17,53,901

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Greatest Common Factor

We found the factors 189,651,901,20 . The biggest common factor number is the GCF number.
So the greatest common factor 189,651,901,20 is 1.

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

• GCF of 431, 630, 902, 31
• GCF of 862, 404, 350, 13
• GCF of 834, 589, 117, 43
• GCF of 171, 392, 159, 44
• GCF of 426, 339, 111, 24

1. What is the GCF of 189, 651, 901, 20?

Answer: GCF of 189, 651, 901, 20 is 1.

2. How to Find the GCF of 189, 651, 901, 20

Answer: Greatest Common Factor(GCF) of 189, 651, 901, 20 = 1

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

Step 2: Then multiply all the prime factors GCF(189, 651, 901, 20) = 1.