Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 255 and 260 the smallest integer that is 13260 that is divisible by both numbers.
Least Common Multiple (LCM) of 255 and 260 is 13260.
LCM(255,260) = 13260
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 255 and 260. First we will calculate the prime factors of 255 and 260.
Prime Factorization of 255
3 | 255 |
5 | 85 |
17 | 17 |
1 |
Prime factors of 255 are 3, 5,17. Prime factorization of 255 in exponential form is:
255 = 31×51×171
Prime Factorization of 260
2 | 260 |
2 | 130 |
5 | 65 |
13 | 13 |
1 |
Prime factors of 260 are 2, 5,13. Prime factorization of 260 in exponential form is:
260 = 22×51×131
Now multiplying the highest exponent prime factors to calculate the LCM of 255 and 260.
LCM(255,260) = 22×31×51×131×171
LCM(255,260) = 13260
Factors of 255
List of positive integer factors of 255 that divides 255 without a remainder.
1, 3, 5, 15, 17, 51, 85, 255
Factors of 260
List of positive integer factors of 260 that divides 260 without a remainder.
1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 255 and 260, than apply into the LCM equation.
GCF(255,260) = 5
LCM(255,260) = ( 255 × 260) / 5
LCM(255,260) = 66300 / 5
LCM(255,260) = 13260
(i) The LCM of 260 and 255 is associative
LCM of 255 and 260 = LCM of 260 and 255
1. What is the LCM of 255 and 260?
Answer: LCM of 255 and 260 is 13260.
2. What are the Factors of 255?
Answer: Factors of 255 are 1, 3, 5, 15, 17, 51, 85, 255. There are 8 integers that are factors of 255. The greatest factor of 255 is 255.
3. What are the Factors of 260?
Answer: Factors of 260 are 1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260. There are 12 integers that are factors of 260. The greatest factor of 260 is 260.
4. How to Find the LCM of 255 and 260?
Answer:
Least Common Multiple of 255 and 260 = 13260
Step 1: Find the prime factorization of 255
255 = 3 x 5 x 17
Step 2: Find the prime factorization of 260
260 = 2 x 2 x 5 x 13
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 13260 = 2 x 2 x 3 x 5 x 13 x 17
Step 4: Therefore, the least common multiple of 255 and 260 is 13260.