Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 290 and 292 the smallest integer that is 42340 that is divisible by both numbers.
Least Common Multiple (LCM) of 290 and 292 is 42340.
LCM(290,292) = 42340
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 290 and 292. First we will calculate the prime factors of 290 and 292.
Prime Factorization of 290
2 | 290 |
5 | 145 |
29 | 29 |
1 |
Prime factors of 290 are 2, 5,29. Prime factorization of 290 in exponential form is:
290 = 21×51×291
Prime Factorization of 292
2 | 292 |
2 | 146 |
73 | 73 |
1 |
Prime factors of 292 are 2,73. Prime factorization of 292 in exponential form is:
292 = 22×731
Now multiplying the highest exponent prime factors to calculate the LCM of 290 and 292.
LCM(290,292) = 22×51×291×731
LCM(290,292) = 42340
Factors of 290
List of positive integer factors of 290 that divides 290 without a remainder.
1, 2, 5, 10, 29, 58, 145, 290
Factors of 292
List of positive integer factors of 292 that divides 292 without a remainder.
1, 2, 4, 73, 146, 292
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 290 and 292, than apply into the LCM equation.
GCF(290,292) = 2
LCM(290,292) = ( 290 × 292) / 2
LCM(290,292) = 84680 / 2
LCM(290,292) = 42340
(i) The LCM of 292 and 290 is associative
LCM of 290 and 292 = LCM of 292 and 290
1. What is the LCM of 290 and 292?
Answer: LCM of 290 and 292 is 42340.
2. What are the Factors of 290?
Answer: Factors of 290 are 1, 2, 5, 10, 29, 58, 145, 290. There are 8 integers that are factors of 290. The greatest factor of 290 is 290.
3. What are the Factors of 292?
Answer: Factors of 292 are 1, 2, 4, 73, 146, 292. There are 6 integers that are factors of 292. The greatest factor of 292 is 292.
4. How to Find the LCM of 290 and 292?
Answer:
Least Common Multiple of 290 and 292 = 42340
Step 1: Find the prime factorization of 290
290 = 2 x 5 x 29
Step 2: Find the prime factorization of 292
292 = 2 x 2 x 73
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 42340 = 2 x 2 x 5 x 29 x 73
Step 4: Therefore, the least common multiple of 290 and 292 is 42340.