Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 999 and 1002 the smallest integer that is 333666 that is divisible by both numbers.
Least Common Multiple (LCM) of 999 and 1002 is 333666.
LCM(999,1002) = 333666
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 999 and 1002. First we will calculate the prime factors of 999 and 1002.
Prime Factorization of 999
3 | 999 |
3 | 333 |
3 | 111 |
37 | 37 |
1 |
Prime factors of 999 are 3,37. Prime factorization of 999 in exponential form is:
999 = 33×371
Prime Factorization of 1002
2 | 1002 |
3 | 501 |
167 | 167 |
1 |
Prime factors of 1002 are 2, 3,167. Prime factorization of 1002 in exponential form is:
1002 = 21×31×1671
Now multiplying the highest exponent prime factors to calculate the LCM of 999 and 1002.
LCM(999,1002) = 21×33×371×1671
LCM(999,1002) = 333666
Factors of 999
List of positive integer factors of 999 that divides 999 without a remainder.
1, 3, 9, 27, 37, 111, 333, 999
Factors of 1002
List of positive integer factors of 1002 that divides 1002 without a remainder.
1, 2, 3, 6, 167, 334, 501, 1002
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 999 and 1002, than apply into the LCM equation.
GCF(999,1002) = 3
LCM(999,1002) = ( 999 × 1002) / 3
LCM(999,1002) = 1000998 / 3
LCM(999,1002) = 333666
(i) The LCM of 1002 and 999 is associative
LCM of 999 and 1002 = LCM of 1002 and 999
1. What is the LCM of 999 and 1002?
Answer: LCM of 999 and 1002 is 333666.
2. What are the Factors of 999?
Answer: Factors of 999 are 1, 3, 9, 27, 37, 111, 333, 999. There are 8 integers that are factors of 999. The greatest factor of 999 is 999.
3. What are the Factors of 1002?
Answer: Factors of 1002 are 1, 2, 3, 6, 167, 334, 501, 1002. There are 8 integers that are factors of 1002. The greatest factor of 1002 is 1002.
4. How to Find the LCM of 999 and 1002?
Answer:
Least Common Multiple of 999 and 1002 = 333666
Step 1: Find the prime factorization of 999
999 = 3 x 3 x 3 x 37
Step 2: Find the prime factorization of 1002
1002 = 2 x 3 x 167
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 333666 = 2 x 3 x 3 x 3 x 37 x 167
Step 4: Therefore, the least common multiple of 999 and 1002 is 333666.