Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2489 and 2490 the smallest integer that is 6197610 that is divisible by both numbers.
Least Common Multiple (LCM) of 2489 and 2490 is 6197610.
LCM(2489,2490) = 6197610
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 2489 and 2490. First we will calculate the prime factors of 2489 and 2490.
Prime Factorization of 2489
19 | 2489 |
131 | 131 |
1 |
Prime factors of 2489 are 19,131. Prime factorization of 2489 in exponential form is:
2489 = 191×1311
Prime Factorization of 2490
2 | 2490 |
3 | 1245 |
5 | 415 |
83 | 83 |
1 |
Prime factors of 2490 are 2, 3, 5,83. Prime factorization of 2490 in exponential form is:
2490 = 21×31×51×831
Now multiplying the highest exponent prime factors to calculate the LCM of 2489 and 2490.
LCM(2489,2490) = 21×31×51×191×831×1311
LCM(2489,2490) = 6197610
Factors of 2489
List of positive integer factors of 2489 that divides 2489 without a remainder.
1, 19, 131, 2489
Factors of 2490
List of positive integer factors of 2490 that divides 2490 without a remainder.
1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 415, 498, 830, 1245, 2490
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2489 and 2490, than apply into the LCM equation.
GCF(2489,2490) = 1
LCM(2489,2490) = ( 2489 × 2490) / 1
LCM(2489,2490) = 6197610 / 1
LCM(2489,2490) = 6197610
(i) The LCM of 2490 and 2489 is associative
LCM of 2489 and 2490 = LCM of 2490 and 2489
1. What is the LCM of 2489 and 2490?
Answer: LCM of 2489 and 2490 is 6197610.
2. What are the Factors of 2489?
Answer: Factors of 2489 are 1, 19, 131, 2489. There are 4 integers that are factors of 2489. The greatest factor of 2489 is 2489.
3. What are the Factors of 2490?
Answer: Factors of 2490 are 1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 415, 498, 830, 1245, 2490. There are 16 integers that are factors of 2490. The greatest factor of 2490 is 2490.
4. How to Find the LCM of 2489 and 2490?
Answer:
Least Common Multiple of 2489 and 2490 = 6197610
Step 1: Find the prime factorization of 2489
2489 = 19 x 131
Step 2: Find the prime factorization of 2490
2490 = 2 x 3 x 5 x 83
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 6197610 = 2 x 3 x 5 x 19 x 83 x 131
Step 4: Therefore, the least common multiple of 2489 and 2490 is 6197610.