Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7399 and 7406 the smallest integer that is 7828142 that is divisible by both numbers.
Least Common Multiple (LCM) of 7399 and 7406 is 7828142.
LCM(7399,7406) = 7828142
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 7399 and 7406. First we will calculate the prime factors of 7399 and 7406.
Prime Factorization of 7399
7 | 7399 |
7 | 1057 |
151 | 151 |
1 |
Prime factors of 7399 are 7,151. Prime factorization of 7399 in exponential form is:
7399 = 72×1511
Prime Factorization of 7406
2 | 7406 |
7 | 3703 |
23 | 529 |
23 | 23 |
1 |
Prime factors of 7406 are 2, 7,23. Prime factorization of 7406 in exponential form is:
7406 = 21×71×232
Now multiplying the highest exponent prime factors to calculate the LCM of 7399 and 7406.
LCM(7399,7406) = 21×72×232×1511
LCM(7399,7406) = 7828142
Factors of 7399
List of positive integer factors of 7399 that divides 7399 without a remainder.
1, 7, 49, 151, 1057, 7399
Factors of 7406
List of positive integer factors of 7406 that divides 7406 without a remainder.
1, 2, 7, 14, 23, 46, 161, 322, 529, 1058, 3703, 7406
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7399 and 7406, than apply into the LCM equation.
GCF(7399,7406) = 7
LCM(7399,7406) = ( 7399 × 7406) / 7
LCM(7399,7406) = 54796994 / 7
LCM(7399,7406) = 7828142
(i) The LCM of 7406 and 7399 is associative
LCM of 7399 and 7406 = LCM of 7406 and 7399
1. What is the LCM of 7399 and 7406?
Answer: LCM of 7399 and 7406 is 7828142.
2. What are the Factors of 7399?
Answer: Factors of 7399 are 1, 7, 49, 151, 1057, 7399. There are 6 integers that are factors of 7399. The greatest factor of 7399 is 7399.
3. What are the Factors of 7406?
Answer: Factors of 7406 are 1, 2, 7, 14, 23, 46, 161, 322, 529, 1058, 3703, 7406. There are 12 integers that are factors of 7406. The greatest factor of 7406 is 7406.
4. How to Find the LCM of 7399 and 7406?
Answer:
Least Common Multiple of 7399 and 7406 = 7828142
Step 1: Find the prime factorization of 7399
7399 = 7 x 7 x 151
Step 2: Find the prime factorization of 7406
7406 = 2 x 7 x 23 x 23
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 7828142 = 2 x 7 x 7 x 23 x 23 x 151
Step 4: Therefore, the least common multiple of 7399 and 7406 is 7828142.