Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7404 and 7408 the smallest integer that is 13712208 that is divisible by both numbers.
Least Common Multiple (LCM) of 7404 and 7408 is 13712208.
LCM(7404,7408) = 13712208
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 7404 and 7408. First we will calculate the prime factors of 7404 and 7408.
Prime Factorization of 7404
2 | 7404 |
2 | 3702 |
3 | 1851 |
617 | 617 |
1 |
Prime factors of 7404 are 2, 3,617. Prime factorization of 7404 in exponential form is:
7404 = 22×31×6171
Prime Factorization of 7408
2 | 7408 |
2 | 3704 |
2 | 1852 |
2 | 926 |
463 | 463 |
1 |
Prime factors of 7408 are 2,463. Prime factorization of 7408 in exponential form is:
7408 = 24×4631
Now multiplying the highest exponent prime factors to calculate the LCM of 7404 and 7408.
LCM(7404,7408) = 24×31×4631×6171
LCM(7404,7408) = 13712208
Factors of 7404
List of positive integer factors of 7404 that divides 7404 without a remainder.
1, 2, 3, 4, 6, 12, 617, 1234, 1851, 2468, 3702, 7404
Factors of 7408
List of positive integer factors of 7408 that divides 7408 without a remainder.
1, 2, 4, 8, 16, 463, 926, 1852, 3704, 7408
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7404 and 7408, than apply into the LCM equation.
GCF(7404,7408) = 4
LCM(7404,7408) = ( 7404 × 7408) / 4
LCM(7404,7408) = 54848832 / 4
LCM(7404,7408) = 13712208
(i) The LCM of 7408 and 7404 is associative
LCM of 7404 and 7408 = LCM of 7408 and 7404
1. What is the LCM of 7404 and 7408?
Answer: LCM of 7404 and 7408 is 13712208.
2. What are the Factors of 7404?
Answer: Factors of 7404 are 1, 2, 3, 4, 6, 12, 617, 1234, 1851, 2468, 3702, 7404. There are 12 integers that are factors of 7404. The greatest factor of 7404 is 7404.
3. What are the Factors of 7408?
Answer: Factors of 7408 are 1, 2, 4, 8, 16, 463, 926, 1852, 3704, 7408. There are 10 integers that are factors of 7408. The greatest factor of 7408 is 7408.
4. How to Find the LCM of 7404 and 7408?
Answer:
Least Common Multiple of 7404 and 7408 = 13712208
Step 1: Find the prime factorization of 7404
7404 = 2 x 2 x 3 x 617
Step 2: Find the prime factorization of 7408
7408 = 2 x 2 x 2 x 2 x 463
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 13712208 = 2 x 2 x 2 x 2 x 3 x 463 x 617
Step 4: Therefore, the least common multiple of 7404 and 7408 is 13712208.