Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 284 and 286 the smallest integer that is 40612 that is divisible by both numbers.
Least Common Multiple (LCM) of 284 and 286 is 40612.
LCM(284,286) = 40612
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 284 and 286. First we will calculate the prime factors of 284 and 286.
Prime Factorization of 284
2 | 284 |
2 | 142 |
71 | 71 |
1 |
Prime factors of 284 are 2,71. Prime factorization of 284 in exponential form is:
284 = 22×711
Prime Factorization of 286
2 | 286 |
11 | 143 |
13 | 13 |
1 |
Prime factors of 286 are 2, 11,13. Prime factorization of 286 in exponential form is:
286 = 21×111×131
Now multiplying the highest exponent prime factors to calculate the LCM of 284 and 286.
LCM(284,286) = 22×111×131×711
LCM(284,286) = 40612
Factors of 284
List of positive integer factors of 284 that divides 284 without a remainder.
1, 2, 4, 71, 142, 284
Factors of 286
List of positive integer factors of 286 that divides 286 without a remainder.
1, 2, 11, 13, 22, 26, 143, 286
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 284 and 286, than apply into the LCM equation.
GCF(284,286) = 2
LCM(284,286) = ( 284 × 286) / 2
LCM(284,286) = 81224 / 2
LCM(284,286) = 40612
(i) The LCM of 286 and 284 is associative
LCM of 284 and 286 = LCM of 286 and 284
1. What is the LCM of 284 and 286?
Answer: LCM of 284 and 286 is 40612.
2. What are the Factors of 284?
Answer: Factors of 284 are 1, 2, 4, 71, 142, 284. There are 6 integers that are factors of 284. The greatest factor of 284 is 284.
3. What are the Factors of 286?
Answer: Factors of 286 are 1, 2, 11, 13, 22, 26, 143, 286. There are 8 integers that are factors of 286. The greatest factor of 286 is 286.
4. How to Find the LCM of 284 and 286?
Answer:
Least Common Multiple of 284 and 286 = 40612
Step 1: Find the prime factorization of 284
284 = 2 x 2 x 71
Step 2: Find the prime factorization of 286
286 = 2 x 11 x 13
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 40612 = 2 x 2 x 11 x 13 x 71
Step 4: Therefore, the least common multiple of 284 and 286 is 40612.