Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 28200 and 28205 the smallest integer that is 159076200 that is divisible by both numbers.
Least Common Multiple (LCM) of 28200 and 28205 is 159076200.
LCM(28200,28205) = 159076200
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 28200 and 28205. First we will calculate the prime factors of 28200 and 28205.
Prime Factorization of 28200
2 | 28200 |
2 | 14100 |
2 | 7050 |
3 | 3525 |
5 | 1175 |
5 | 235 |
47 | 47 |
1 |
Prime factors of 28200 are 2, 3, 5,47. Prime factorization of 28200 in exponential form is:
28200 = 23×31×52×471
Prime Factorization of 28205
5 | 28205 |
5641 | 5641 |
1 |
Prime factors of 28205 are 5,5641. Prime factorization of 28205 in exponential form is:
28205 = 51×56411
Now multiplying the highest exponent prime factors to calculate the LCM of 28200 and 28205.
LCM(28200,28205) = 23×31×52×471×56411
LCM(28200,28205) = 159076200
Factors of 28200
List of positive integer factors of 28200 that divides 28200 without a remainder.
1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 47, 50, 60, 75, 94, 100, 120, 141, 150, 188, 200, 235, 282, 300, 376, 470, 564, 600, 705, 940, 1128, 1175, 1410, 1880, 2350, 2820, 3525, 4700, 5640, 7050, 9400, 14100, 28200
Factors of 28205
List of positive integer factors of 28205 that divides 28205 without a remainder.
1, 5, 5641, 28205
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28200 and 28205, than apply into the LCM equation.
GCF(28200,28205) = 5
LCM(28200,28205) = ( 28200 × 28205) / 5
LCM(28200,28205) = 795381000 / 5
LCM(28200,28205) = 159076200
(i) The LCM of 28205 and 28200 is associative
LCM of 28200 and 28205 = LCM of 28205 and 28200
1. What is the LCM of 28200 and 28205?
Answer: LCM of 28200 and 28205 is 159076200.
2. What are the Factors of 28200?
Answer: Factors of 28200 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 47, 50, 60, 75, 94, 100, 120, 141, 150, 188, 200, 235, 282, 300, 376, 470, 564, 600, 705, 940, 1128, 1175, 1410, 1880, 2350, 2820, 3525, 4700, 5640, 7050, 9400, 14100, 28200. There are 48 integers that are factors of 28200. The greatest factor of 28200 is 28200.
3. What are the Factors of 28205?
Answer: Factors of 28205 are 1, 5, 5641, 28205. There are 4 integers that are factors of 28205. The greatest factor of 28205 is 28205.
4. How to Find the LCM of 28200 and 28205?
Answer:
Least Common Multiple of 28200 and 28205 = 159076200
Step 1: Find the prime factorization of 28200
28200 = 2 x 2 x 2 x 3 x 5 x 5 x 47
Step 2: Find the prime factorization of 28205
28205 = 5 x 5641
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 159076200 = 2 x 2 x 2 x 3 x 5 x 5 x 47 x 5641
Step 4: Therefore, the least common multiple of 28200 and 28205 is 159076200.