Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 492 and 493 the smallest integer that is 242556 that is divisible by both numbers.
Least Common Multiple (LCM) of 492 and 493 is 242556.
LCM(492,493) = 242556
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 492 and 493. First we will calculate the prime factors of 492 and 493.
Prime Factorization of 492
2 | 492 |
2 | 246 |
3 | 123 |
41 | 41 |
1 |
Prime factors of 492 are 2, 3,41. Prime factorization of 492 in exponential form is:
492 = 22×31×411
Prime Factorization of 493
17 | 493 |
29 | 29 |
1 |
Prime factors of 493 are 17,29. Prime factorization of 493 in exponential form is:
493 = 171×291
Now multiplying the highest exponent prime factors to calculate the LCM of 492 and 493.
LCM(492,493) = 22×31×171×291×411
LCM(492,493) = 242556
Factors of 492
List of positive integer factors of 492 that divides 492 without a remainder.
1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492
Factors of 493
List of positive integer factors of 493 that divides 493 without a remainder.
1, 17, 29, 493
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 492 and 493, than apply into the LCM equation.
GCF(492,493) = 1
LCM(492,493) = ( 492 × 493) / 1
LCM(492,493) = 242556 / 1
LCM(492,493) = 242556
(i) The LCM of 493 and 492 is associative
LCM of 492 and 493 = LCM of 493 and 492
1. What is the LCM of 492 and 493?
Answer: LCM of 492 and 493 is 242556.
2. What are the Factors of 492?
Answer: Factors of 492 are 1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492. There are 12 integers that are factors of 492. The greatest factor of 492 is 492.
3. What are the Factors of 493?
Answer: Factors of 493 are 1, 17, 29, 493. There are 4 integers that are factors of 493. The greatest factor of 493 is 493.
4. How to Find the LCM of 492 and 493?
Answer:
Least Common Multiple of 492 and 493 = 242556
Step 1: Find the prime factorization of 492
492 = 2 x 2 x 3 x 41
Step 2: Find the prime factorization of 493
493 = 17 x 29
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 242556 = 2 x 2 x 3 x 17 x 29 x 41
Step 4: Therefore, the least common multiple of 492 and 493 is 242556.