Greatest Common Factor of 408, 172, 128

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

• Greatest Common Factor of 408, 172, 128 by common division method
• Greatest Common Factor of 408, 172, 128 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 2 x 2 = 4

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 172

List of positive integer factors of 172 that divides 172 without a remainder.

1,2,4,43,86,172

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 408,172,128 . The biggest common factor number is the GCF number.
So the greatest common factor 408,172,128 is 4.

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

• GCF of 183, 618, 529
• GCF of 520, 762, 628
• GCF of 603, 680, 228
• GCF of 570, 649, 146
• GCF of 456, 338, 244

1. What is the GCF of 408, 172, 128?

Answer: GCF of 408, 172, 128 is 4.

2. How to Find the GCF of 408, 172, 128

Answer: Greatest Common Factor(GCF) of 408, 172, 128 = 4

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

Step 2: Then multiply all the prime factors GCF(408, 172, 128) = 4.