Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 9990 and 9994 the smallest integer that is 49920030 that is divisible by both numbers.
Least Common Multiple (LCM) of 9990 and 9994 is 49920030.
LCM(9990,9994) = 49920030
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 9990 and 9994. First we will calculate the prime factors of 9990 and 9994.
Prime Factorization of 9990
2 | 9990 |
3 | 4995 |
3 | 1665 |
3 | 555 |
5 | 185 |
37 | 37 |
1 |
Prime factors of 9990 are 2, 3, 5,37. Prime factorization of 9990 in exponential form is:
9990 = 21×33×51×371
Prime Factorization of 9994
2 | 9994 |
19 | 4997 |
263 | 263 |
1 |
Prime factors of 9994 are 2, 19,263. Prime factorization of 9994 in exponential form is:
9994 = 21×191×2631
Now multiplying the highest exponent prime factors to calculate the LCM of 9990 and 9994.
LCM(9990,9994) = 21×33×51×191×371×2631
LCM(9990,9994) = 49920030
Factors of 9990
List of positive integer factors of 9990 that divides 9990 without a remainder.
1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 90, 111, 135, 185, 222, 270, 333, 370, 555, 666, 999, 1110, 1665, 1998, 3330, 4995, 9990
Factors of 9994
List of positive integer factors of 9994 that divides 9994 without a remainder.
1, 2, 19, 38, 263, 526, 4997, 9994
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9990 and 9994, than apply into the LCM equation.
GCF(9990,9994) = 2
LCM(9990,9994) = ( 9990 × 9994) / 2
LCM(9990,9994) = 99840060 / 2
LCM(9990,9994) = 49920030
(i) The LCM of 9994 and 9990 is associative
LCM of 9990 and 9994 = LCM of 9994 and 9990
1. What is the LCM of 9990 and 9994?
Answer: LCM of 9990 and 9994 is 49920030.
2. What are the Factors of 9990?
Answer: Factors of 9990 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 90, 111, 135, 185, 222, 270, 333, 370, 555, 666, 999, 1110, 1665, 1998, 3330, 4995, 9990. There are 32 integers that are factors of 9990. The greatest factor of 9990 is 9990.
3. What are the Factors of 9994?
Answer: Factors of 9994 are 1, 2, 19, 38, 263, 526, 4997, 9994. There are 8 integers that are factors of 9994. The greatest factor of 9994 is 9994.
4. How to Find the LCM of 9990 and 9994?
Answer:
Least Common Multiple of 9990 and 9994 = 49920030
Step 1: Find the prime factorization of 9990
9990 = 2 x 3 x 3 x 3 x 5 x 37
Step 2: Find the prime factorization of 9994
9994 = 2 x 19 x 263
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 49920030 = 2 x 3 x 3 x 3 x 5 x 19 x 37 x 263
Step 4: Therefore, the least common multiple of 9990 and 9994 is 49920030.