Popular: 1/2 + 3/4 20% of 150 GCF(12, 18) 100 ÷ 7 √144 Circle r=7 sin(30°) 255 in Binary
Exact Answer
1, 2, 4, 8, 16, 32, 64, 128
Total Factors
8
Number Type
Composite Number
Smallest / Largest
1 and 128
Sum of Factors
255
Find All Factors of:

Step-by-Step Solution: Factors(128) = 1, 2, 4, 8, 16, 32, 64, 128

Step 1

Find All Integers That Divide 128 Evenly

Test integers from 1 up to √128 (11.31). Every divisor with remainder 0 gives a factor pair of 128.
Factors of 128: 1, 2, 4, 8, 16, 32, 64, 128

Summary & Alternative Representations

Property / FormatValue
Total Factors8
Number TypeComposite Number
Smallest / Largest1 and 128
Sum of Factors255

Frequently Asked Questions

How many factors does 128 have?

128 has 8 positive factors: 1, 2, 4, 8, 16, 32, 64, 128.

Is 128 a prime number?

No, 128 is a composite number with 8 factors.