Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7485 and 7490 the smallest integer that is 11212530 that is divisible by both numbers.
Least Common Multiple (LCM) of 7485 and 7490 is 11212530.
LCM(7485,7490) = 11212530
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 7485 and 7490. First we will calculate the prime factors of 7485 and 7490.
Prime Factorization of 7485
3 | 7485 |
5 | 2495 |
499 | 499 |
1 |
Prime factors of 7485 are 3, 5,499. Prime factorization of 7485 in exponential form is:
7485 = 31×51×4991
Prime Factorization of 7490
2 | 7490 |
5 | 3745 |
7 | 749 |
107 | 107 |
1 |
Prime factors of 7490 are 2, 5, 7,107. Prime factorization of 7490 in exponential form is:
7490 = 21×51×71×1071
Now multiplying the highest exponent prime factors to calculate the LCM of 7485 and 7490.
LCM(7485,7490) = 21×31×51×71×1071×4991
LCM(7485,7490) = 11212530
Factors of 7485
List of positive integer factors of 7485 that divides 7485 without a remainder.
1, 3, 5, 15, 499, 1497, 2495, 7485
Factors of 7490
List of positive integer factors of 7490 that divides 7490 without a remainder.
1, 2, 5, 7, 10, 14, 35, 70, 107, 214, 535, 749, 1070, 1498, 3745, 7490
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7485 and 7490, than apply into the LCM equation.
GCF(7485,7490) = 5
LCM(7485,7490) = ( 7485 × 7490) / 5
LCM(7485,7490) = 56062650 / 5
LCM(7485,7490) = 11212530
(i) The LCM of 7490 and 7485 is associative
LCM of 7485 and 7490 = LCM of 7490 and 7485
1. What is the LCM of 7485 and 7490?
Answer: LCM of 7485 and 7490 is 11212530.
2. What are the Factors of 7485?
Answer: Factors of 7485 are 1, 3, 5, 15, 499, 1497, 2495, 7485. There are 8 integers that are factors of 7485. The greatest factor of 7485 is 7485.
3. What are the Factors of 7490?
Answer: Factors of 7490 are 1, 2, 5, 7, 10, 14, 35, 70, 107, 214, 535, 749, 1070, 1498, 3745, 7490. There are 16 integers that are factors of 7490. The greatest factor of 7490 is 7490.
4. How to Find the LCM of 7485 and 7490?
Answer:
Least Common Multiple of 7485 and 7490 = 11212530
Step 1: Find the prime factorization of 7485
7485 = 3 x 5 x 499
Step 2: Find the prime factorization of 7490
7490 = 2 x 5 x 7 x 107
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 11212530 = 2 x 3 x 5 x 7 x 107 x 499
Step 4: Therefore, the least common multiple of 7485 and 7490 is 11212530.