Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7480 and 7486 the smallest integer that is 27997640 that is divisible by both numbers.
Least Common Multiple (LCM) of 7480 and 7486 is 27997640.
LCM(7480,7486) = 27997640
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 7480 and 7486. First we will calculate the prime factors of 7480 and 7486.
Prime Factorization of 7480
2 | 7480 |
2 | 3740 |
2 | 1870 |
5 | 935 |
11 | 187 |
17 | 17 |
1 |
Prime factors of 7480 are 2, 5, 11,17. Prime factorization of 7480 in exponential form is:
7480 = 23×51×111×171
Prime Factorization of 7486
2 | 7486 |
19 | 3743 |
197 | 197 |
1 |
Prime factors of 7486 are 2, 19,197. Prime factorization of 7486 in exponential form is:
7486 = 21×191×1971
Now multiplying the highest exponent prime factors to calculate the LCM of 7480 and 7486.
LCM(7480,7486) = 23×51×111×171×191×1971
LCM(7480,7486) = 27997640
Factors of 7480
List of positive integer factors of 7480 that divides 7480 without a remainder.
1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480
Factors of 7486
List of positive integer factors of 7486 that divides 7486 without a remainder.
1, 2, 19, 38, 197, 394, 3743, 7486
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7480 and 7486, than apply into the LCM equation.
GCF(7480,7486) = 2
LCM(7480,7486) = ( 7480 × 7486) / 2
LCM(7480,7486) = 55995280 / 2
LCM(7480,7486) = 27997640
(i) The LCM of 7486 and 7480 is associative
LCM of 7480 and 7486 = LCM of 7486 and 7480
1. What is the LCM of 7480 and 7486?
Answer: LCM of 7480 and 7486 is 27997640.
2. What are the Factors of 7480?
Answer: Factors of 7480 are 1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480. There are 32 integers that are factors of 7480. The greatest factor of 7480 is 7480.
3. What are the Factors of 7486?
Answer: Factors of 7486 are 1, 2, 19, 38, 197, 394, 3743, 7486. There are 8 integers that are factors of 7486. The greatest factor of 7486 is 7486.
4. How to Find the LCM of 7480 and 7486?
Answer:
Least Common Multiple of 7480 and 7486 = 27997640
Step 1: Find the prime factorization of 7480
7480 = 2 x 2 x 2 x 5 x 11 x 17
Step 2: Find the prime factorization of 7486
7486 = 2 x 19 x 197
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 27997640 = 2 x 2 x 2 x 5 x 11 x 17 x 19 x 197
Step 4: Therefore, the least common multiple of 7480 and 7486 is 27997640.