Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1656 and 1663 the smallest integer that is 2753928 that is divisible by both numbers.
Least Common Multiple (LCM) of 1656 and 1663 is 2753928.
LCM(1656,1663) = 2753928
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 1656 and 1663. First we will calculate the prime factors of 1656 and 1663.
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
Prime Factorization of 1663
1663 | 1663 |
1 |
Prime factors of 1663 are 1663. Prime factorization of 1663 in exponential form is:
1663 = 16631
Now multiplying the highest exponent prime factors to calculate the LCM of 1656 and 1663.
LCM(1656,1663) = 23×32×231×16631
LCM(1656,1663) = 2753928
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
Factors of 1663
List of positive integer factors of 1663 that divides 1663 without a remainder.
1, 1663
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1656 and 1663, than apply into the LCM equation.
GCF(1656,1663) = 1
LCM(1656,1663) = ( 1656 × 1663) / 1
LCM(1656,1663) = 2753928 / 1
LCM(1656,1663) = 2753928
(i) The LCM of 1663 and 1656 is associative
LCM of 1656 and 1663 = LCM of 1663 and 1656
1. What is the LCM of 1656 and 1663?
Answer: LCM of 1656 and 1663 is 2753928.
2. 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.
3. What are the Factors of 1663?
Answer: Factors of 1663 are 1, 1663. There are 2 integers that are factors of 1663. The greatest factor of 1663 is 1663.
4. How to Find the LCM of 1656 and 1663?
Answer:
Least Common Multiple of 1656 and 1663 = 2753928
Step 1: Find the prime factorization of 1656
1656 = 2 x 2 x 2 x 3 x 3 x 23
Step 2: Find the prime factorization of 1663
1663 = 1663
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2753928 = 2 x 2 x 2 x 3 x 3 x 23 x 1663
Step 4: Therefore, the least common multiple of 1656 and 1663 is 2753928.