Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 900 and 902 the smallest integer that is 405900 that is divisible by both numbers.
Least Common Multiple (LCM) of 900 and 902 is 405900.
LCM(900,902) = 405900
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 900 and 902. First we will calculate the prime factors of 900 and 902.
Prime Factorization of 900
2 | 900 |
2 | 450 |
3 | 225 |
3 | 75 |
5 | 25 |
5 | 5 |
1 |
Prime factors of 900 are 2, 3,5. Prime factorization of 900 in exponential form is:
900 = 22×32×52
Prime Factorization of 902
2 | 902 |
11 | 451 |
41 | 41 |
1 |
Prime factors of 902 are 2, 11,41. Prime factorization of 902 in exponential form is:
902 = 21×111×411
Now multiplying the highest exponent prime factors to calculate the LCM of 900 and 902.
LCM(900,902) = 22×32×52×111×411
LCM(900,902) = 405900
Factors of 900
List of positive integer factors of 900 that divides 900 without a remainder.
1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900
Factors of 902
List of positive integer factors of 902 that divides 902 without a remainder.
1, 2, 11, 22, 41, 82, 451, 902
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 900 and 902, than apply into the LCM equation.
GCF(900,902) = 2
LCM(900,902) = ( 900 × 902) / 2
LCM(900,902) = 811800 / 2
LCM(900,902) = 405900
(i) The LCM of 902 and 900 is associative
LCM of 900 and 902 = LCM of 902 and 900
1. What is the LCM of 900 and 902?
Answer: LCM of 900 and 902 is 405900.
2. What are the Factors of 900?
Answer: Factors of 900 are 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900. There are 27 integers that are factors of 900. The greatest factor of 900 is 900.
3. What are the Factors of 902?
Answer: Factors of 902 are 1, 2, 11, 22, 41, 82, 451, 902. There are 8 integers that are factors of 902. The greatest factor of 902 is 902.
4. How to Find the LCM of 900 and 902?
Answer:
Least Common Multiple of 900 and 902 = 405900
Step 1: Find the prime factorization of 900
900 = 2 x 2 x 3 x 3 x 5 x 5
Step 2: Find the prime factorization of 902
902 = 2 x 11 x 41
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 405900 = 2 x 2 x 3 x 3 x 5 x 5 x 11 x 41
Step 4: Therefore, the least common multiple of 900 and 902 is 405900.