Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7398 and 7402 the smallest integer that is 27379998 that is divisible by both numbers.
Least Common Multiple (LCM) of 7398 and 7402 is 27379998.
LCM(7398,7402) = 27379998
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 7398 and 7402. First we will calculate the prime factors of 7398 and 7402.
Prime Factorization of 7398
2 | 7398 |
3 | 3699 |
3 | 1233 |
3 | 411 |
137 | 137 |
1 |
Prime factors of 7398 are 2, 3,137. Prime factorization of 7398 in exponential form is:
7398 = 21×33×1371
Prime Factorization of 7402
2 | 7402 |
3701 | 3701 |
1 |
Prime factors of 7402 are 2,3701. Prime factorization of 7402 in exponential form is:
7402 = 21×37011
Now multiplying the highest exponent prime factors to calculate the LCM of 7398 and 7402.
LCM(7398,7402) = 21×33×1371×37011
LCM(7398,7402) = 27379998
Factors of 7398
List of positive integer factors of 7398 that divides 7398 without a remainder.
1, 2, 3, 6, 9, 18, 27, 54, 137, 274, 411, 822, 1233, 2466, 3699, 7398
Factors of 7402
List of positive integer factors of 7402 that divides 7402 without a remainder.
1, 2, 3701, 7402
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7398 and 7402, than apply into the LCM equation.
GCF(7398,7402) = 2
LCM(7398,7402) = ( 7398 × 7402) / 2
LCM(7398,7402) = 54759996 / 2
LCM(7398,7402) = 27379998
(i) The LCM of 7402 and 7398 is associative
LCM of 7398 and 7402 = LCM of 7402 and 7398
1. What is the LCM of 7398 and 7402?
Answer: LCM of 7398 and 7402 is 27379998.
2. What are the Factors of 7398?
Answer: Factors of 7398 are 1, 2, 3, 6, 9, 18, 27, 54, 137, 274, 411, 822, 1233, 2466, 3699, 7398. There are 16 integers that are factors of 7398. The greatest factor of 7398 is 7398.
3. What are the Factors of 7402?
Answer: Factors of 7402 are 1, 2, 3701, 7402. There are 4 integers that are factors of 7402. The greatest factor of 7402 is 7402.
4. How to Find the LCM of 7398 and 7402?
Answer:
Least Common Multiple of 7398 and 7402 = 27379998
Step 1: Find the prime factorization of 7398
7398 = 2 x 3 x 3 x 3 x 137
Step 2: Find the prime factorization of 7402
7402 = 2 x 3701
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 27379998 = 2 x 3 x 3 x 3 x 137 x 3701
Step 4: Therefore, the least common multiple of 7398 and 7402 is 27379998.