Greatest Common Factor of 189, 308, 23, 637

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

• Greatest Common Factor of 189, 308, 23, 637 by common division method
• Greatest Common Factor of 189, 308, 23, 637 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 308

List of positive integer factors of 308 that divides 308 without a remainder.

1,2,4,7,11,14,22,28,44,77,154,308

Factors of 23

List of positive integer factors of 23 that divides 23 without a remainder.

1,23

Factors of 637

List of positive integer factors of 637 that divides 637 without a remainder.

1,7,13,49,91,637

Greatest Common Factor

We found the factors 189,308,23,637 . The biggest common factor number is the GCF number.
So the greatest common factor 189,308,23,637 is 1.

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

• GCF of 540, 820, 91, 529
• GCF of 334, 904, 96, 135
• GCF of 399, 561, 39, 333
• GCF of 762, 692, 74, 271
• GCF of 541, 194, 75, 595

1. What is the GCF of 189, 308, 23, 637?

Answer: GCF of 189, 308, 23, 637 is 1.

2. How to Find the GCF of 189, 308, 23, 637

Answer: Greatest Common Factor(GCF) of 189, 308, 23, 637 = 1

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

Step 2: Then multiply all the prime factors GCF(189, 308, 23, 637) = 1.