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 9995 the smallest integer that is 19970010 that is divisible by both numbers.
Least Common Multiple (LCM) of 9990 and 9995 is 19970010.
LCM(9990,9995) = 19970010
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 9995. First we will calculate the prime factors of 9990 and 9995.
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 9995
5 | 9995 |
1999 | 1999 |
1 |
Prime factors of 9995 are 5,1999. Prime factorization of 9995 in exponential form is:
9995 = 51×19991
Now multiplying the highest exponent prime factors to calculate the LCM of 9990 and 9995.
LCM(9990,9995) = 21×33×51×371×19991
LCM(9990,9995) = 19970010
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 9995
List of positive integer factors of 9995 that divides 9995 without a remainder.
1, 5, 1999, 9995
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9990 and 9995, than apply into the LCM equation.
GCF(9990,9995) = 5
LCM(9990,9995) = ( 9990 × 9995) / 5
LCM(9990,9995) = 99850050 / 5
LCM(9990,9995) = 19970010
(i) The LCM of 9995 and 9990 is associative
LCM of 9990 and 9995 = LCM of 9995 and 9990
1. What is the LCM of 9990 and 9995?
Answer: LCM of 9990 and 9995 is 19970010.
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 9995?
Answer: Factors of 9995 are 1, 5, 1999, 9995. There are 4 integers that are factors of 9995. The greatest factor of 9995 is 9995.
4. How to Find the LCM of 9990 and 9995?
Answer:
Least Common Multiple of 9990 and 9995 = 19970010
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 9995
9995 = 5 x 1999
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 19970010 = 2 x 3 x 3 x 3 x 5 x 37 x 1999
Step 4: Therefore, the least common multiple of 9990 and 9995 is 19970010.