Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 494 and 502 the smallest integer that is 123994 that is divisible by both numbers.
Least Common Multiple (LCM) of 494 and 502 is 123994.
LCM(494,502) = 123994
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 494 and 502. First we will calculate the prime factors of 494 and 502.
Prime Factorization of 494
2 | 494 |
13 | 247 |
19 | 19 |
1 |
Prime factors of 494 are 2, 13,19. Prime factorization of 494 in exponential form is:
494 = 21×131×191
Prime Factorization of 502
2 | 502 |
251 | 251 |
1 |
Prime factors of 502 are 2,251. Prime factorization of 502 in exponential form is:
502 = 21×2511
Now multiplying the highest exponent prime factors to calculate the LCM of 494 and 502.
LCM(494,502) = 21×131×191×2511
LCM(494,502) = 123994
Factors of 494
List of positive integer factors of 494 that divides 494 without a remainder.
1, 2, 13, 19, 26, 38, 247, 494
Factors of 502
List of positive integer factors of 502 that divides 502 without a remainder.
1, 2, 251, 502
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 494 and 502, than apply into the LCM equation.
GCF(494,502) = 2
LCM(494,502) = ( 494 × 502) / 2
LCM(494,502) = 247988 / 2
LCM(494,502) = 123994
(i) The LCM of 502 and 494 is associative
LCM of 494 and 502 = LCM of 502 and 494
1. What is the LCM of 494 and 502?
Answer: LCM of 494 and 502 is 123994.
2. What are the Factors of 494?
Answer: Factors of 494 are 1, 2, 13, 19, 26, 38, 247, 494. There are 8 integers that are factors of 494. The greatest factor of 494 is 494.
3. What are the Factors of 502?
Answer: Factors of 502 are 1, 2, 251, 502. There are 4 integers that are factors of 502. The greatest factor of 502 is 502.
4. How to Find the LCM of 494 and 502?
Answer:
Least Common Multiple of 494 and 502 = 123994
Step 1: Find the prime factorization of 494
494 = 2 x 13 x 19
Step 2: Find the prime factorization of 502
502 = 2 x 251
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 123994 = 2 x 13 x 19 x 251
Step 4: Therefore, the least common multiple of 494 and 502 is 123994.