Greatest Common Factor of 408, 425, 128

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

• Greatest Common Factor of 408, 425, 128 by common division method
• Greatest Common Factor of 408, 425, 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 408

List of positive integer factors of 408 that divides 408 without a remainder.

1,2,3,4,6,8,12,17,24,34,51,68,102,136,204,408

Factors of 425

List of positive integer factors of 425 that divides 425 without a remainder.

1,5,17,25,85,425

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 408,425,128 . The biggest common factor number is the GCF number.
So the greatest common factor 408,425,128 is 1.

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

• GCF of 637, 205, 446
• GCF of 231, 115, 223
• GCF of 677, 878, 746
• GCF of 320, 261, 586
• GCF of 557, 690, 796

1. What is the GCF of 408, 425, 128?

Answer: GCF of 408, 425, 128 is 1.

2. How to Find the GCF of 408, 425, 128

Answer: Greatest Common Factor(GCF) of 408, 425, 128 = 1

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

Step 2: Then multiply all the prime factors GCF(408, 425, 128) = 1.