Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 256 and 259 the smallest integer that is 66304 that is divisible by both numbers.
Least Common Multiple (LCM) of 256 and 259 is 66304.
LCM(256,259) = 66304
Least common multiple or lowest common denominator (LCD) can be calculated in three ways;
Least common multiple can be found by multiplying the highest exponent prime factors of 256 and 259. First we will calculate the prime factors of 256 and 259.
Prime Factorization of 256
2 | 256 |
2 | 128 |
2 | 64 |
2 | 32 |
2 | 16 |
2 | 8 |
2 | 4 |
2 | 2 |
1 |
Prime factors of 256 are 2. Prime factorization of 256 in exponential form is:
256 = 28
Prime Factorization of 259
7 | 259 |
37 | 37 |
1 |
Prime factors of 259 are 7,37. Prime factorization of 259 in exponential form is:
259 = 71×371
Now multiplying the highest exponent prime factors to calculate the LCM of 256 and 259.
LCM(256,259) = 28×71×371
LCM(256,259) = 66304
Factors of 256
List of positive integer factors of 256 that divides 256 without a remainder.
1, 2, 4, 8, 16, 32, 64, 128, 256
Factors of 259
List of positive integer factors of 259 that divides 259 without a remainder.
1, 7, 37, 259
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 256 and 259, than apply into the LCM equation.
GCF(256,259) = 1
LCM(256,259) = ( 256 × 259) / 1
LCM(256,259) = 66304 / 1
LCM(256,259) = 66304
(i) The LCM of 259 and 256 is associative
LCM of 256 and 259 = LCM of 259 and 256
1. What is the LCM of 256 and 259?
Answer: LCM of 256 and 259 is 66304.
2. What are the Factors of 256?
Answer: Factors of 256 are 1, 2, 4, 8, 16, 32, 64, 128, 256. There are 9 integers that are factors of 256. The greatest factor of 256 is 256.
3. What are the Factors of 259?
Answer: Factors of 259 are 1, 7, 37, 259. There are 4 integers that are factors of 259. The greatest factor of 259 is 259.
4. How to Find the LCM of 256 and 259?
Answer:
Least Common Multiple of 256 and 259 = 66304
Step 1: Find the prime factorization of 256
256 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2
Step 2: Find the prime factorization of 259
259 = 7 x 37
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 66304 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 7 x 37
Step 4: Therefore, the least common multiple of 256 and 259 is 66304.