Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 279 and 286 the smallest integer that is 79794 that is divisible by both numbers.
Least Common Multiple (LCM) of 279 and 286 is 79794.
LCM(279,286) = 79794
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 279 and 286. First we will calculate the prime factors of 279 and 286.
Prime Factorization of 279
3 | 279 |
3 | 93 |
31 | 31 |
1 |
Prime factors of 279 are 3,31. Prime factorization of 279 in exponential form is:
279 = 32×311
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 279 and 286.
LCM(279,286) = 21×32×111×131×311
LCM(279,286) = 79794
Factors of 279
List of positive integer factors of 279 that divides 279 without a remainder.
1, 3, 9, 31, 93, 279
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 279 and 286, than apply into the LCM equation.
GCF(279,286) = 1
LCM(279,286) = ( 279 × 286) / 1
LCM(279,286) = 79794 / 1
LCM(279,286) = 79794
(i) The LCM of 286 and 279 is associative
LCM of 279 and 286 = LCM of 286 and 279
1. What is the LCM of 279 and 286?
Answer: LCM of 279 and 286 is 79794.
2. What are the Factors of 279?
Answer: Factors of 279 are 1, 3, 9, 31, 93, 279. There are 6 integers that are factors of 279. The greatest factor of 279 is 279.
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 279 and 286?
Answer:
Least Common Multiple of 279 and 286 = 79794
Step 1: Find the prime factorization of 279
279 = 3 x 3 x 31
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 = 79794 = 2 x 3 x 3 x 11 x 13 x 31
Step 4: Therefore, the least common multiple of 279 and 286 is 79794.