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 7489 the smallest integer that is 56055165 that is divisible by both numbers.
Least Common Multiple (LCM) of 7485 and 7489 is 56055165.
LCM(7485,7489) = 56055165
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 7489. First we will calculate the prime factors of 7485 and 7489.
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 7489
7489 | 7489 |
1 |
Prime factors of 7489 are 7489. Prime factorization of 7489 in exponential form is:
7489 = 74891
Now multiplying the highest exponent prime factors to calculate the LCM of 7485 and 7489.
LCM(7485,7489) = 31×51×4991×74891
LCM(7485,7489) = 56055165
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 7489
List of positive integer factors of 7489 that divides 7489 without a remainder.
1, 7489
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7485 and 7489, than apply into the LCM equation.
GCF(7485,7489) = 1
LCM(7485,7489) = ( 7485 × 7489) / 1
LCM(7485,7489) = 56055165 / 1
LCM(7485,7489) = 56055165
(i) The LCM of 7489 and 7485 is associative
LCM of 7485 and 7489 = LCM of 7489 and 7485
1. What is the LCM of 7485 and 7489?
Answer: LCM of 7485 and 7489 is 56055165.
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 7489?
Answer: Factors of 7489 are 1, 7489. There are 2 integers that are factors of 7489. The greatest factor of 7489 is 7489.
4. How to Find the LCM of 7485 and 7489?
Answer:
Least Common Multiple of 7485 and 7489 = 56055165
Step 1: Find the prime factorization of 7485
7485 = 3 x 5 x 499
Step 2: Find the prime factorization of 7489
7489 = 7489
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 56055165 = 3 x 5 x 499 x 7489
Step 4: Therefore, the least common multiple of 7485 and 7489 is 56055165.