Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1491 and 1499 the smallest integer that is 2235009 that is divisible by both numbers.
Least Common Multiple (LCM) of 1491 and 1499 is 2235009.
LCM(1491,1499) = 2235009
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 1491 and 1499. First we will calculate the prime factors of 1491 and 1499.
Prime Factorization of 1491
3 | 1491 |
7 | 497 |
71 | 71 |
1 |
Prime factors of 1491 are 3, 7,71. Prime factorization of 1491 in exponential form is:
1491 = 31×71×711
Prime Factorization of 1499
1499 | 1499 |
1 |
Prime factors of 1499 are 1499. Prime factorization of 1499 in exponential form is:
1499 = 14991
Now multiplying the highest exponent prime factors to calculate the LCM of 1491 and 1499.
LCM(1491,1499) = 31×71×711×14991
LCM(1491,1499) = 2235009
Factors of 1491
List of positive integer factors of 1491 that divides 1491 without a remainder.
1, 3, 7, 21, 71, 213, 497, 1491
Factors of 1499
List of positive integer factors of 1499 that divides 1499 without a remainder.
1, 1499
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1491 and 1499, than apply into the LCM equation.
GCF(1491,1499) = 1
LCM(1491,1499) = ( 1491 × 1499) / 1
LCM(1491,1499) = 2235009 / 1
LCM(1491,1499) = 2235009
(i) The LCM of 1499 and 1491 is associative
LCM of 1491 and 1499 = LCM of 1499 and 1491
1. What is the LCM of 1491 and 1499?
Answer: LCM of 1491 and 1499 is 2235009.
2. What are the Factors of 1491?
Answer: Factors of 1491 are 1, 3, 7, 21, 71, 213, 497, 1491. There are 8 integers that are factors of 1491. The greatest factor of 1491 is 1491.
3. What are the Factors of 1499?
Answer: Factors of 1499 are 1, 1499. There are 2 integers that are factors of 1499. The greatest factor of 1499 is 1499.
4. How to Find the LCM of 1491 and 1499?
Answer:
Least Common Multiple of 1491 and 1499 = 2235009
Step 1: Find the prime factorization of 1491
1491 = 3 x 7 x 71
Step 2: Find the prime factorization of 1499
1499 = 1499
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2235009 = 3 x 7 x 71 x 1499
Step 4: Therefore, the least common multiple of 1491 and 1499 is 2235009.