Greatest Common Factor of 398, 637, 128

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

• Greatest Common Factor of 398, 637, 128 by common division method
• Greatest Common Factor of 398, 637, 128 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 398

List of positive integer factors of 398 that divides 398 without a remainder.

1,2,199,398

Factors of 637

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

1,7,13,49,91,637

Factors of 128

List of positive integer factors of 128 that divides 128 without a remainder.

1,2,4,8,16,32,64,128

Greatest Common Factor

We found the factors 398,637,128 . The biggest common factor number is the GCF number.
So the greatest common factor 398,637,128 is 1.

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

• GCF of 705, 753, 362
• GCF of 366, 356, 195
• GCF of 778, 945, 154
• GCF of 156, 534, 850
• GCF of 249, 520, 740

1. What is the GCF of 398, 637, 128?

Answer: GCF of 398, 637, 128 is 1.

2. How to Find the GCF of 398, 637, 128

Answer: Greatest Common Factor(GCF) of 398, 637, 128 = 1

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

Step 2: Then multiply all the prime factors GCF(398, 637, 128) = 1.