Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 31490 and 31494 the smallest integer that is 495873030 that is divisible by both numbers.
Least Common Multiple (LCM) of 31490 and 31494 is 495873030.
LCM(31490,31494) = 495873030
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 31490 and 31494. First we will calculate the prime factors of 31490 and 31494.
Prime Factorization of 31490
2 | 31490 |
5 | 15745 |
47 | 3149 |
67 | 67 |
1 |
Prime factors of 31490 are 2, 5, 47,67. Prime factorization of 31490 in exponential form is:
31490 = 21×51×471×671
Prime Factorization of 31494
2 | 31494 |
3 | 15747 |
29 | 5249 |
181 | 181 |
1 |
Prime factors of 31494 are 2, 3, 29,181. Prime factorization of 31494 in exponential form is:
31494 = 21×31×291×1811
Now multiplying the highest exponent prime factors to calculate the LCM of 31490 and 31494.
LCM(31490,31494) = 21×31×51×291×471×671×1811
LCM(31490,31494) = 495873030
Factors of 31490
List of positive integer factors of 31490 that divides 31490 without a remainder.
1, 2, 5, 10, 47, 67, 94, 134, 235, 335, 470, 670, 3149, 6298, 15745, 31490
Factors of 31494
List of positive integer factors of 31494 that divides 31494 without a remainder.
1, 2, 3, 6, 29, 58, 87, 174, 181, 362, 543, 1086, 5249, 10498, 15747, 31494
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31490 and 31494, than apply into the LCM equation.
GCF(31490,31494) = 2
LCM(31490,31494) = ( 31490 × 31494) / 2
LCM(31490,31494) = 991746060 / 2
LCM(31490,31494) = 495873030
(i) The LCM of 31494 and 31490 is associative
LCM of 31490 and 31494 = LCM of 31494 and 31490
1. What is the LCM of 31490 and 31494?
Answer: LCM of 31490 and 31494 is 495873030.
2. What are the Factors of 31490?
Answer: Factors of 31490 are 1, 2, 5, 10, 47, 67, 94, 134, 235, 335, 470, 670, 3149, 6298, 15745, 31490. There are 16 integers that are factors of 31490. The greatest factor of 31490 is 31490.
3. What are the Factors of 31494?
Answer: Factors of 31494 are 1, 2, 3, 6, 29, 58, 87, 174, 181, 362, 543, 1086, 5249, 10498, 15747, 31494. There are 16 integers that are factors of 31494. The greatest factor of 31494 is 31494.
4. How to Find the LCM of 31490 and 31494?
Answer:
Least Common Multiple of 31490 and 31494 = 495873030
Step 1: Find the prime factorization of 31490
31490 = 2 x 5 x 47 x 67
Step 2: Find the prime factorization of 31494
31494 = 2 x 3 x 29 x 181
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 495873030 = 2 x 3 x 5 x 29 x 47 x 67 x 181
Step 4: Therefore, the least common multiple of 31490 and 31494 is 495873030.