Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 235 and 240 the smallest integer that is 11280 that is divisible by both numbers.
Least Common Multiple (LCM) of 235 and 240 is 11280.
LCM(235,240) = 11280
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 235 and 240. First we will calculate the prime factors of 235 and 240.
Prime Factorization of 235
5 | 235 |
47 | 47 |
1 |
Prime factors of 235 are 5,47. Prime factorization of 235 in exponential form is:
235 = 51×471
Prime Factorization of 240
2 | 240 |
2 | 120 |
2 | 60 |
2 | 30 |
3 | 15 |
5 | 5 |
1 |
Prime factors of 240 are 2, 3,5. Prime factorization of 240 in exponential form is:
240 = 24×31×51
Now multiplying the highest exponent prime factors to calculate the LCM of 235 and 240.
LCM(235,240) = 24×31×51×471
LCM(235,240) = 11280
Factors of 235
List of positive integer factors of 235 that divides 235 without a remainder.
1, 5, 47, 235
Factors of 240
List of positive integer factors of 240 that divides 240 without a remainder.
1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 235 and 240, than apply into the LCM equation.
GCF(235,240) = 5
LCM(235,240) = ( 235 × 240) / 5
LCM(235,240) = 56400 / 5
LCM(235,240) = 11280
(i) The LCM of 240 and 235 is associative
LCM of 235 and 240 = LCM of 240 and 235
1. What is the LCM of 235 and 240?
Answer: LCM of 235 and 240 is 11280.
2. What are the Factors of 235?
Answer: Factors of 235 are 1, 5, 47, 235. There are 4 integers that are factors of 235. The greatest factor of 235 is 235.
3. What are the Factors of 240?
Answer: Factors of 240 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240. There are 20 integers that are factors of 240. The greatest factor of 240 is 240.
4. How to Find the LCM of 235 and 240?
Answer:
Least Common Multiple of 235 and 240 = 11280
Step 1: Find the prime factorization of 235
235 = 5 x 47
Step 2: Find the prime factorization of 240
240 = 2 x 2 x 2 x 2 x 3 x 5
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 11280 = 2 x 2 x 2 x 2 x 3 x 5 x 47
Step 4: Therefore, the least common multiple of 235 and 240 is 11280.