Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7428 and 7432 the smallest integer that is 13801224 that is divisible by both numbers.
Least Common Multiple (LCM) of 7428 and 7432 is 13801224.
LCM(7428,7432) = 13801224
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 7428 and 7432. First we will calculate the prime factors of 7428 and 7432.
Prime Factorization of 7428
2 | 7428 |
2 | 3714 |
3 | 1857 |
619 | 619 |
1 |
Prime factors of 7428 are 2, 3,619. Prime factorization of 7428 in exponential form is:
7428 = 22×31×6191
Prime Factorization of 7432
2 | 7432 |
2 | 3716 |
2 | 1858 |
929 | 929 |
1 |
Prime factors of 7432 are 2,929. Prime factorization of 7432 in exponential form is:
7432 = 23×9291
Now multiplying the highest exponent prime factors to calculate the LCM of 7428 and 7432.
LCM(7428,7432) = 23×31×6191×9291
LCM(7428,7432) = 13801224
Factors of 7428
List of positive integer factors of 7428 that divides 7428 without a remainder.
1, 2, 3, 4, 6, 12, 619, 1238, 1857, 2476, 3714, 7428
Factors of 7432
List of positive integer factors of 7432 that divides 7432 without a remainder.
1, 2, 4, 8, 929, 1858, 3716, 7432
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7428 and 7432, than apply into the LCM equation.
GCF(7428,7432) = 4
LCM(7428,7432) = ( 7428 × 7432) / 4
LCM(7428,7432) = 55204896 / 4
LCM(7428,7432) = 13801224
(i) The LCM of 7432 and 7428 is associative
LCM of 7428 and 7432 = LCM of 7432 and 7428
1. What is the LCM of 7428 and 7432?
Answer: LCM of 7428 and 7432 is 13801224.
2. What are the Factors of 7428?
Answer: Factors of 7428 are 1, 2, 3, 4, 6, 12, 619, 1238, 1857, 2476, 3714, 7428. There are 12 integers that are factors of 7428. The greatest factor of 7428 is 7428.
3. What are the Factors of 7432?
Answer: Factors of 7432 are 1, 2, 4, 8, 929, 1858, 3716, 7432. There are 8 integers that are factors of 7432. The greatest factor of 7432 is 7432.
4. How to Find the LCM of 7428 and 7432?
Answer:
Least Common Multiple of 7428 and 7432 = 13801224
Step 1: Find the prime factorization of 7428
7428 = 2 x 2 x 3 x 619
Step 2: Find the prime factorization of 7432
7432 = 2 x 2 x 2 x 929
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 13801224 = 2 x 2 x 2 x 3 x 619 x 929
Step 4: Therefore, the least common multiple of 7428 and 7432 is 13801224.