Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 6491 and 6499 the smallest integer that is 42185009 that is divisible by both numbers.
Least Common Multiple (LCM) of 6491 and 6499 is 42185009.
LCM(6491,6499) = 42185009
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 6491 and 6499. First we will calculate the prime factors of 6491 and 6499.
Prime Factorization of 6491
6491 | 6491 |
1 |
Prime factors of 6491 are 6491. Prime factorization of 6491 in exponential form is:
6491 = 64911
Prime Factorization of 6499
67 | 6499 |
97 | 97 |
1 |
Prime factors of 6499 are 67,97. Prime factorization of 6499 in exponential form is:
6499 = 671×971
Now multiplying the highest exponent prime factors to calculate the LCM of 6491 and 6499.
LCM(6491,6499) = 671×971×64911
LCM(6491,6499) = 42185009
Factors of 6491
List of positive integer factors of 6491 that divides 6491 without a remainder.
1, 6491
Factors of 6499
List of positive integer factors of 6499 that divides 6499 without a remainder.
1, 67, 97, 6499
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6491 and 6499, than apply into the LCM equation.
GCF(6491,6499) = 1
LCM(6491,6499) = ( 6491 × 6499) / 1
LCM(6491,6499) = 42185009 / 1
LCM(6491,6499) = 42185009
(i) The LCM of 6499 and 6491 is associative
LCM of 6491 and 6499 = LCM of 6499 and 6491
1. What is the LCM of 6491 and 6499?
Answer: LCM of 6491 and 6499 is 42185009.
2. What are the Factors of 6491?
Answer: Factors of 6491 are 1, 6491. There are 2 integers that are factors of 6491. The greatest factor of 6491 is 6491.
3. What are the Factors of 6499?
Answer: Factors of 6499 are 1, 67, 97, 6499. There are 4 integers that are factors of 6499. The greatest factor of 6499 is 6499.
4. How to Find the LCM of 6491 and 6499?
Answer:
Least Common Multiple of 6491 and 6499 = 42185009
Step 1: Find the prime factorization of 6491
6491 = 6491
Step 2: Find the prime factorization of 6499
6499 = 67 x 97
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 42185009 = 67 x 97 x 6491
Step 4: Therefore, the least common multiple of 6491 and 6499 is 42185009.