Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 145 and 150 the smallest integer that is 4350 that is divisible by both numbers.
Least Common Multiple (LCM) of 145 and 150 is 4350.
LCM(145,150) = 4350
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 145 and 150. First we will calculate the prime factors of 145 and 150.
Prime Factorization of 145
5 | 145 |
29 | 29 |
1 |
Prime factors of 145 are 5,29. Prime factorization of 145 in exponential form is:
145 = 51×291
Prime Factorization of 150
2 | 150 |
3 | 75 |
5 | 25 |
5 | 5 |
1 |
Prime factors of 150 are 2, 3,5. Prime factorization of 150 in exponential form is:
150 = 21×31×52
Now multiplying the highest exponent prime factors to calculate the LCM of 145 and 150.
LCM(145,150) = 21×31×52×291
LCM(145,150) = 4350
Factors of 145
List of positive integer factors of 145 that divides 145 without a remainder.
1, 5, 29, 145
Factors of 150
List of positive integer factors of 150 that divides 150 without a remainder.
1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 145 and 150, than apply into the LCM equation.
GCF(145,150) = 5
LCM(145,150) = ( 145 × 150) / 5
LCM(145,150) = 21750 / 5
LCM(145,150) = 4350
(i) The LCM of 150 and 145 is associative
LCM of 145 and 150 = LCM of 150 and 145
1. What is the LCM of 145 and 150?
Answer: LCM of 145 and 150 is 4350.
2. What are the Factors of 145?
Answer: Factors of 145 are 1, 5, 29, 145. There are 4 integers that are factors of 145. The greatest factor of 145 is 145.
3. What are the Factors of 150?
Answer: Factors of 150 are 1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150. There are 12 integers that are factors of 150. The greatest factor of 150 is 150.
4. How to Find the LCM of 145 and 150?
Answer:
Least Common Multiple of 145 and 150 = 4350
Step 1: Find the prime factorization of 145
145 = 5 x 29
Step 2: Find the prime factorization of 150
150 = 2 x 3 x 5 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 = 4350 = 2 x 3 x 5 x 5 x 29
Step 4: Therefore, the least common multiple of 145 and 150 is 4350.