Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1628 and 1632 the smallest integer that is 664224 that is divisible by both numbers.
Least Common Multiple (LCM) of 1628 and 1632 is 664224.
LCM(1628,1632) = 664224
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 1628 and 1632. First we will calculate the prime factors of 1628 and 1632.
Prime Factorization of 1628
2 | 1628 |
2 | 814 |
11 | 407 |
37 | 37 |
1 |
Prime factors of 1628 are 2, 11,37. Prime factorization of 1628 in exponential form is:
1628 = 22×111×371
Prime Factorization of 1632
2 | 1632 |
2 | 816 |
2 | 408 |
2 | 204 |
2 | 102 |
3 | 51 |
17 | 17 |
1 |
Prime factors of 1632 are 2, 3,17. Prime factorization of 1632 in exponential form is:
1632 = 25×31×171
Now multiplying the highest exponent prime factors to calculate the LCM of 1628 and 1632.
LCM(1628,1632) = 25×31×111×171×371
LCM(1628,1632) = 664224
Factors of 1628
List of positive integer factors of 1628 that divides 1628 without a remainder.
1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628
Factors of 1632
List of positive integer factors of 1632 that divides 1632 without a remainder.
1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 204, 272, 408, 544, 816, 1632
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1628 and 1632, than apply into the LCM equation.
GCF(1628,1632) = 4
LCM(1628,1632) = ( 1628 × 1632) / 4
LCM(1628,1632) = 2656896 / 4
LCM(1628,1632) = 664224
(i) The LCM of 1632 and 1628 is associative
LCM of 1628 and 1632 = LCM of 1632 and 1628
1. What is the LCM of 1628 and 1632?
Answer: LCM of 1628 and 1632 is 664224.
2. What are the Factors of 1628?
Answer: Factors of 1628 are 1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628. There are 12 integers that are factors of 1628. The greatest factor of 1628 is 1628.
3. What are the Factors of 1632?
Answer: Factors of 1632 are 1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 204, 272, 408, 544, 816, 1632. There are 24 integers that are factors of 1632. The greatest factor of 1632 is 1632.
4. How to Find the LCM of 1628 and 1632?
Answer:
Least Common Multiple of 1628 and 1632 = 664224
Step 1: Find the prime factorization of 1628
1628 = 2 x 2 x 11 x 37
Step 2: Find the prime factorization of 1632
1632 = 2 x 2 x 2 x 2 x 2 x 3 x 17
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 664224 = 2 x 2 x 2 x 2 x 2 x 3 x 11 x 17 x 37
Step 4: Therefore, the least common multiple of 1628 and 1632 is 664224.