Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7476 and 7480 the smallest integer that is 13980120 that is divisible by both numbers.
Least Common Multiple (LCM) of 7476 and 7480 is 13980120.
LCM(7476,7480) = 13980120
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 7476 and 7480. First we will calculate the prime factors of 7476 and 7480.
Prime Factorization of 7476
2 | 7476 |
2 | 3738 |
3 | 1869 |
7 | 623 |
89 | 89 |
1 |
Prime factors of 7476 are 2, 3, 7,89. Prime factorization of 7476 in exponential form is:
7476 = 22×31×71×891
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
Now multiplying the highest exponent prime factors to calculate the LCM of 7476 and 7480.
LCM(7476,7480) = 23×31×51×71×111×171×891
LCM(7476,7480) = 13980120
Factors of 7476
List of positive integer factors of 7476 that divides 7476 without a remainder.
1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 89, 178, 267, 356, 534, 623, 1068, 1246, 1869, 2492, 3738, 7476
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
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7476 and 7480, than apply into the LCM equation.
GCF(7476,7480) = 4
LCM(7476,7480) = ( 7476 × 7480) / 4
LCM(7476,7480) = 55920480 / 4
LCM(7476,7480) = 13980120
(i) The LCM of 7480 and 7476 is associative
LCM of 7476 and 7480 = LCM of 7480 and 7476
1. What is the LCM of 7476 and 7480?
Answer: LCM of 7476 and 7480 is 13980120.
2. What are the Factors of 7476?
Answer: Factors of 7476 are 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 89, 178, 267, 356, 534, 623, 1068, 1246, 1869, 2492, 3738, 7476. There are 24 integers that are factors of 7476. The greatest factor of 7476 is 7476.
3. 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.
4. How to Find the LCM of 7476 and 7480?
Answer:
Least Common Multiple of 7476 and 7480 = 13980120
Step 1: Find the prime factorization of 7476
7476 = 2 x 2 x 3 x 7 x 89
Step 2: Find the prime factorization of 7480
7480 = 2 x 2 x 2 x 5 x 11 x 17
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 13980120 = 2 x 2 x 2 x 3 x 5 x 7 x 11 x 17 x 89
Step 4: Therefore, the least common multiple of 7476 and 7480 is 13980120.