Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1650 and 1656 the smallest integer that is 455400 that is divisible by both numbers.
Least Common Multiple (LCM) of 1650 and 1656 is 455400.
LCM(1650,1656) = 455400
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 1650 and 1656. First we will calculate the prime factors of 1650 and 1656.
Prime Factorization of 1650
2 | 1650 |
3 | 825 |
5 | 275 |
5 | 55 |
11 | 11 |
1 |
Prime factors of 1650 are 2, 3, 5,11. Prime factorization of 1650 in exponential form is:
1650 = 21×31×52×111
Prime Factorization of 1656
2 | 1656 |
2 | 828 |
2 | 414 |
3 | 207 |
3 | 69 |
23 | 23 |
1 |
Prime factors of 1656 are 2, 3,23. Prime factorization of 1656 in exponential form is:
1656 = 23×32×231
Now multiplying the highest exponent prime factors to calculate the LCM of 1650 and 1656.
LCM(1650,1656) = 23×32×52×111×231
LCM(1650,1656) = 455400
Factors of 1650
List of positive integer factors of 1650 that divides 1650 without a remainder.
1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 150, 165, 275, 330, 550, 825, 1650
Factors of 1656
List of positive integer factors of 1656 that divides 1656 without a remainder.
1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1650 and 1656, than apply into the LCM equation.
GCF(1650,1656) = 6
LCM(1650,1656) = ( 1650 × 1656) / 6
LCM(1650,1656) = 2732400 / 6
LCM(1650,1656) = 455400
(i) The LCM of 1656 and 1650 is associative
LCM of 1650 and 1656 = LCM of 1656 and 1650
1. What is the LCM of 1650 and 1656?
Answer: LCM of 1650 and 1656 is 455400.
2. What are the Factors of 1650?
Answer: Factors of 1650 are 1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 150, 165, 275, 330, 550, 825, 1650. There are 24 integers that are factors of 1650. The greatest factor of 1650 is 1650.
3. What are the Factors of 1656?
Answer: Factors of 1656 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656. There are 24 integers that are factors of 1656. The greatest factor of 1656 is 1656.
4. How to Find the LCM of 1650 and 1656?
Answer:
Least Common Multiple of 1650 and 1656 = 455400
Step 1: Find the prime factorization of 1650
1650 = 2 x 3 x 5 x 5 x 11
Step 2: Find the prime factorization of 1656
1656 = 2 x 2 x 2 x 3 x 3 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 = 455400 = 2 x 2 x 2 x 3 x 3 x 5 x 5 x 11 x 23
Step 4: Therefore, the least common multiple of 1650 and 1656 is 455400.