Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7479 and 7485 the smallest integer that is 18660105 that is divisible by both numbers.
Least Common Multiple (LCM) of 7479 and 7485 is 18660105.
LCM(7479,7485) = 18660105
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 7479 and 7485. First we will calculate the prime factors of 7479 and 7485.
Prime Factorization of 7479
3 | 7479 |
3 | 2493 |
3 | 831 |
277 | 277 |
1 |
Prime factors of 7479 are 3,277. Prime factorization of 7479 in exponential form is:
7479 = 33×2771
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
Now multiplying the highest exponent prime factors to calculate the LCM of 7479 and 7485.
LCM(7479,7485) = 33×51×2771×4991
LCM(7479,7485) = 18660105
Factors of 7479
List of positive integer factors of 7479 that divides 7479 without a remainder.
1, 3, 9, 27, 277, 831, 2493, 7479
Factors of 7485
List of positive integer factors of 7485 that divides 7485 without a remainder.
1, 3, 5, 15, 499, 1497, 2495, 7485
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7479 and 7485, than apply into the LCM equation.
GCF(7479,7485) = 3
LCM(7479,7485) = ( 7479 × 7485) / 3
LCM(7479,7485) = 55980315 / 3
LCM(7479,7485) = 18660105
(i) The LCM of 7485 and 7479 is associative
LCM of 7479 and 7485 = LCM of 7485 and 7479
1. What is the LCM of 7479 and 7485?
Answer: LCM of 7479 and 7485 is 18660105.
2. What are the Factors of 7479?
Answer: Factors of 7479 are 1, 3, 9, 27, 277, 831, 2493, 7479. There are 8 integers that are factors of 7479. The greatest factor of 7479 is 7479.
3. 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.
4. How to Find the LCM of 7479 and 7485?
Answer:
Least Common Multiple of 7479 and 7485 = 18660105
Step 1: Find the prime factorization of 7479
7479 = 3 x 3 x 3 x 277
Step 2: Find the prime factorization of 7485
7485 = 3 x 5 x 499
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 18660105 = 3 x 3 x 3 x 5 x 277 x 499
Step 4: Therefore, the least common multiple of 7479 and 7485 is 18660105.