Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7473 and 7479 the smallest integer that is 18630189 that is divisible by both numbers.
Least Common Multiple (LCM) of 7473 and 7479 is 18630189.
LCM(7473,7479) = 18630189
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 7473 and 7479. First we will calculate the prime factors of 7473 and 7479.
Prime Factorization of 7473
3 | 7473 |
47 | 2491 |
53 | 53 |
1 |
Prime factors of 7473 are 3, 47,53. Prime factorization of 7473 in exponential form is:
7473 = 31×471×531
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
Now multiplying the highest exponent prime factors to calculate the LCM of 7473 and 7479.
LCM(7473,7479) = 33×471×531×2771
LCM(7473,7479) = 18630189
Factors of 7473
List of positive integer factors of 7473 that divides 7473 without a remainder.
1, 3, 47, 53, 141, 159, 2491, 7473
Factors of 7479
List of positive integer factors of 7479 that divides 7479 without a remainder.
1, 3, 9, 27, 277, 831, 2493, 7479
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7473 and 7479, than apply into the LCM equation.
GCF(7473,7479) = 3
LCM(7473,7479) = ( 7473 × 7479) / 3
LCM(7473,7479) = 55890567 / 3
LCM(7473,7479) = 18630189
(i) The LCM of 7479 and 7473 is associative
LCM of 7473 and 7479 = LCM of 7479 and 7473
1. What is the LCM of 7473 and 7479?
Answer: LCM of 7473 and 7479 is 18630189.
2. What are the Factors of 7473?
Answer: Factors of 7473 are 1, 3, 47, 53, 141, 159, 2491, 7473. There are 8 integers that are factors of 7473. The greatest factor of 7473 is 7473.
3. 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.
4. How to Find the LCM of 7473 and 7479?
Answer:
Least Common Multiple of 7473 and 7479 = 18630189
Step 1: Find the prime factorization of 7473
7473 = 3 x 47 x 53
Step 2: Find the prime factorization of 7479
7479 = 3 x 3 x 3 x 277
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 18630189 = 3 x 3 x 3 x 47 x 53 x 277
Step 4: Therefore, the least common multiple of 7473 and 7479 is 18630189.