Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 260 and 268 the smallest integer that is 17420 that is divisible by both numbers.
Least Common Multiple (LCM) of 260 and 268 is 17420.
LCM(260,268) = 17420
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 260 and 268. First we will calculate the prime factors of 260 and 268.
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
Prime Factorization of 268
2 | 268 |
2 | 134 |
67 | 67 |
1 |
Prime factors of 268 are 2,67. Prime factorization of 268 in exponential form is:
268 = 22×671
Now multiplying the highest exponent prime factors to calculate the LCM of 260 and 268.
LCM(260,268) = 22×51×131×671
LCM(260,268) = 17420
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
Factors of 268
List of positive integer factors of 268 that divides 268 without a remainder.
1, 2, 4, 67, 134, 268
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 260 and 268, than apply into the LCM equation.
GCF(260,268) = 4
LCM(260,268) = ( 260 × 268) / 4
LCM(260,268) = 69680 / 4
LCM(260,268) = 17420
(i) The LCM of 268 and 260 is associative
LCM of 260 and 268 = LCM of 268 and 260
1. What is the LCM of 260 and 268?
Answer: LCM of 260 and 268 is 17420.
2. 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.
3. What are the Factors of 268?
Answer: Factors of 268 are 1, 2, 4, 67, 134, 268. There are 6 integers that are factors of 268. The greatest factor of 268 is 268.
4. How to Find the LCM of 260 and 268?
Answer:
Least Common Multiple of 260 and 268 = 17420
Step 1: Find the prime factorization of 260
260 = 2 x 2 x 5 x 13
Step 2: Find the prime factorization of 268
268 = 2 x 2 x 67
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 17420 = 2 x 2 x 5 x 13 x 67
Step 4: Therefore, the least common multiple of 260 and 268 is 17420.