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, 256
Total Factors
9
Number Type
Composite Number
Smallest / Largest
1 and 256
Sum of Factors
511
Find All Factors of:

Step-by-Step Solution: Factors(256) = 1, 2, 4, 8, 16, 32, 64, 128, 256

Step 1

Find All Integers That Divide 256 Evenly

Test integers from 1 up to √256 (16). Every divisor with remainder 0 gives a factor pair of 256.
Factors of 256: 1, 2, 4, 8, 16, 32, 64, 128, 256

Summary & Alternative Representations

Property / FormatValue
Total Factors9
Number TypeComposite Number
Smallest / Largest1 and 256
Sum of Factors511

Frequently Asked Questions

How many factors does 256 have?

256 has 9 positive factors: 1, 2, 4, 8, 16, 32, 64, 128, 256.

Is 256 a prime number?

No, 256 is a composite number with 9 factors.