Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 4421 and 4428 the smallest integer that is 19576188 that is divisible by both numbers.
Least Common Multiple (LCM) of 4421 and 4428 is 19576188.
LCM(4421,4428) = 19576188
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 4421 and 4428. First we will calculate the prime factors of 4421 and 4428.
Prime Factorization of 4421
4421 | 4421 |
1 |
Prime factors of 4421 are 4421. Prime factorization of 4421 in exponential form is:
4421 = 44211
Prime Factorization of 4428
2 | 4428 |
2 | 2214 |
3 | 1107 |
3 | 369 |
3 | 123 |
41 | 41 |
1 |
Prime factors of 4428 are 2, 3,41. Prime factorization of 4428 in exponential form is:
4428 = 22×33×411
Now multiplying the highest exponent prime factors to calculate the LCM of 4421 and 4428.
LCM(4421,4428) = 22×33×411×44211
LCM(4421,4428) = 19576188
Factors of 4421
List of positive integer factors of 4421 that divides 4421 without a remainder.
1, 4421
Factors of 4428
List of positive integer factors of 4428 that divides 4428 without a remainder.
1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 41, 54, 82, 108, 123, 164, 246, 369, 492, 738, 1107, 1476, 2214, 4428
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4421 and 4428, than apply into the LCM equation.
GCF(4421,4428) = 1
LCM(4421,4428) = ( 4421 × 4428) / 1
LCM(4421,4428) = 19576188 / 1
LCM(4421,4428) = 19576188
(i) The LCM of 4428 and 4421 is associative
LCM of 4421 and 4428 = LCM of 4428 and 4421
1. What is the LCM of 4421 and 4428?
Answer: LCM of 4421 and 4428 is 19576188.
2. What are the Factors of 4421?
Answer: Factors of 4421 are 1, 4421. There are 2 integers that are factors of 4421. The greatest factor of 4421 is 4421.
3. What are the Factors of 4428?
Answer: Factors of 4428 are 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 41, 54, 82, 108, 123, 164, 246, 369, 492, 738, 1107, 1476, 2214, 4428. There are 24 integers that are factors of 4428. The greatest factor of 4428 is 4428.
4. How to Find the LCM of 4421 and 4428?
Answer:
Least Common Multiple of 4421 and 4428 = 19576188
Step 1: Find the prime factorization of 4421
4421 = 4421
Step 2: Find the prime factorization of 4428
4428 = 2 x 2 x 3 x 3 x 3 x 41
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 19576188 = 2 x 2 x 3 x 3 x 3 x 41 x 4421
Step 4: Therefore, the least common multiple of 4421 and 4428 is 19576188.