Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8998 and 9005 the smallest integer that is 81026990 that is divisible by both numbers.
Least Common Multiple (LCM) of 8998 and 9005 is 81026990.
LCM(8998,9005) = 81026990
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 8998 and 9005. First we will calculate the prime factors of 8998 and 9005.
Prime Factorization of 8998
2 | 8998 |
11 | 4499 |
409 | 409 |
1 |
Prime factors of 8998 are 2, 11,409. Prime factorization of 8998 in exponential form is:
8998 = 21×111×4091
Prime Factorization of 9005
5 | 9005 |
1801 | 1801 |
1 |
Prime factors of 9005 are 5,1801. Prime factorization of 9005 in exponential form is:
9005 = 51×18011
Now multiplying the highest exponent prime factors to calculate the LCM of 8998 and 9005.
LCM(8998,9005) = 21×51×111×4091×18011
LCM(8998,9005) = 81026990
Factors of 8998
List of positive integer factors of 8998 that divides 8998 without a remainder.
1, 2, 11, 22, 409, 818, 4499, 8998
Factors of 9005
List of positive integer factors of 9005 that divides 9005 without a remainder.
1, 5, 1801, 9005
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8998 and 9005, than apply into the LCM equation.
GCF(8998,9005) = 1
LCM(8998,9005) = ( 8998 × 9005) / 1
LCM(8998,9005) = 81026990 / 1
LCM(8998,9005) = 81026990
(i) The LCM of 9005 and 8998 is associative
LCM of 8998 and 9005 = LCM of 9005 and 8998
1. What is the LCM of 8998 and 9005?
Answer: LCM of 8998 and 9005 is 81026990.
2. What are the Factors of 8998?
Answer: Factors of 8998 are 1, 2, 11, 22, 409, 818, 4499, 8998. There are 8 integers that are factors of 8998. The greatest factor of 8998 is 8998.
3. What are the Factors of 9005?
Answer: Factors of 9005 are 1, 5, 1801, 9005. There are 4 integers that are factors of 9005. The greatest factor of 9005 is 9005.
4. How to Find the LCM of 8998 and 9005?
Answer:
Least Common Multiple of 8998 and 9005 = 81026990
Step 1: Find the prime factorization of 8998
8998 = 2 x 11 x 409
Step 2: Find the prime factorization of 9005
9005 = 5 x 1801
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 81026990 = 2 x 5 x 11 x 409 x 1801
Step 4: Therefore, the least common multiple of 8998 and 9005 is 81026990.