Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7403 and 7407 the smallest integer that is 54834021 that is divisible by both numbers.
Least Common Multiple (LCM) of 7403 and 7407 is 54834021.
LCM(7403,7407) = 54834021
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 7403 and 7407. First we will calculate the prime factors of 7403 and 7407.
Prime Factorization of 7403
11 | 7403 |
673 | 673 |
1 |
Prime factors of 7403 are 11,673. Prime factorization of 7403 in exponential form is:
7403 = 111×6731
Prime Factorization of 7407
3 | 7407 |
3 | 2469 |
823 | 823 |
1 |
Prime factors of 7407 are 3,823. Prime factorization of 7407 in exponential form is:
7407 = 32×8231
Now multiplying the highest exponent prime factors to calculate the LCM of 7403 and 7407.
LCM(7403,7407) = 32×111×6731×8231
LCM(7403,7407) = 54834021
Factors of 7403
List of positive integer factors of 7403 that divides 7403 without a remainder.
1, 11, 673, 7403
Factors of 7407
List of positive integer factors of 7407 that divides 7407 without a remainder.
1, 3, 9, 823, 2469, 7407
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7403 and 7407, than apply into the LCM equation.
GCF(7403,7407) = 1
LCM(7403,7407) = ( 7403 × 7407) / 1
LCM(7403,7407) = 54834021 / 1
LCM(7403,7407) = 54834021
(i) The LCM of 7407 and 7403 is associative
LCM of 7403 and 7407 = LCM of 7407 and 7403
1. What is the LCM of 7403 and 7407?
Answer: LCM of 7403 and 7407 is 54834021.
2. What are the Factors of 7403?
Answer: Factors of 7403 are 1, 11, 673, 7403. There are 4 integers that are factors of 7403. The greatest factor of 7403 is 7403.
3. What are the Factors of 7407?
Answer: Factors of 7407 are 1, 3, 9, 823, 2469, 7407. There are 6 integers that are factors of 7407. The greatest factor of 7407 is 7407.
4. How to Find the LCM of 7403 and 7407?
Answer:
Least Common Multiple of 7403 and 7407 = 54834021
Step 1: Find the prime factorization of 7403
7403 = 11 x 673
Step 2: Find the prime factorization of 7407
7407 = 3 x 3 x 823
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 54834021 = 3 x 3 x 11 x 673 x 823
Step 4: Therefore, the least common multiple of 7403 and 7407 is 54834021.