Least Common Multiple of 45 and 50
Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 45 and 50 the smallest integer that is 450 that is divisible by both numbers.
Least Common Multiple (LCM) of 45 and 50 is 450.
LCM(45,50) = 450
LCM of 45 and 50
Least common multiple or lowest common denominator (LCD) can be calculated in three ways;
- Least Common Multiple of 45 and 50 by Prime method
- Least Common Multiple of 45 and 50 with GCF Formula
LCM of 45 and 50 is 450
Least common multiple can be found by multiplying the highest exponent prime factors of 45 and 50. First we will calculate the prime factors of 45 and 50.
Prime Factorization of 45
| 3 | 45 |
| 3 | 15 |
| 5 | 5 |
| 1 |
Prime factors of 45 are 3,5. Prime factorization of 45 in exponential form is:
45 = 32×51
Prime Factorization of 50
| 2 | 50 |
| 5 | 25 |
| 5 | 5 |
| 1 |
Prime factors of 50 are 2,5. Prime factorization of 50 in exponential form is:
50 = 21×52
Now multiplying the highest exponent prime factors to calculate the LCM of 45 and 50.
LCM(45,50) = 21×32×52
LCM(45,50) = 450
Factors of 45
List of positive integer factors of 45 that divides 45 without a remainder.
1, 3, 5, 9, 15, 45
Factors of 50
List of positive integer factors of 50 that divides 50 without a remainder.
1, 2, 5, 10, 25, 50
Least Common Multiple of 45 and 50 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 45 and 50, than apply into the LCM equation.
GCF(45,50) = 5
LCM(45,50) = ( 45 × 50) / 5
LCM(45,50) = 2250 / 5
LCM(45,50) = 450
Properties of LCM 45 and 50
(i) The LCM of 50 and 45 is associative
LCM of 45 and 50 = LCM of 50 and 45
Related Least Common Multiples of 45
Related Least Common Multiples of 50
Frequently Asked Questions on LCM of 45 and 50
1. What is the LCM of 45 and 50?
Answer: LCM of 45 and 50 is 450.
2. What are the Factors of 45?
Answer: Factors of 45 are 1, 3, 5, 9, 15, 45. There are 6 integers that are factors of 45. The greatest factor of 45 is 45.
3. What are the Factors of 50?
Answer: Factors of 50 are 1, 2, 5, 10, 25, 50. There are 6 integers that are factors of 50. The greatest factor of 50 is 50.
4. How to Find the LCM of 45 and 50?
Answer:
Least Common Multiple of 45 and 50 = 450
Step 1: Find the prime factorization of 45
45 = 3 x 3 x 5
Step 2: Find the prime factorization of 50
50 = 2 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 = 450 = 2 x 3 x 3 x 5 x 5
Step 4: Therefore, the least common multiple of 45 and 50 is 450.