Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1659 and 1663 the smallest integer that is 2758917 that is divisible by both numbers.
Least Common Multiple (LCM) of 1659 and 1663 is 2758917.
LCM(1659,1663) = 2758917
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 1659 and 1663. First we will calculate the prime factors of 1659 and 1663.
Prime Factorization of 1659
3 | 1659 |
7 | 553 |
79 | 79 |
1 |
Prime factors of 1659 are 3, 7,79. Prime factorization of 1659 in exponential form is:
1659 = 31×71×791
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 1659 and 1663.
LCM(1659,1663) = 31×71×791×16631
LCM(1659,1663) = 2758917
Factors of 1659
List of positive integer factors of 1659 that divides 1659 without a remainder.
1, 3, 7, 21, 79, 237, 553, 1659
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 1659 and 1663, than apply into the LCM equation.
GCF(1659,1663) = 1
LCM(1659,1663) = ( 1659 × 1663) / 1
LCM(1659,1663) = 2758917 / 1
LCM(1659,1663) = 2758917
(i) The LCM of 1663 and 1659 is associative
LCM of 1659 and 1663 = LCM of 1663 and 1659
1. What is the LCM of 1659 and 1663?
Answer: LCM of 1659 and 1663 is 2758917.
2. What are the Factors of 1659?
Answer: Factors of 1659 are 1, 3, 7, 21, 79, 237, 553, 1659. There are 8 integers that are factors of 1659. The greatest factor of 1659 is 1659.
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 1659 and 1663?
Answer:
Least Common Multiple of 1659 and 1663 = 2758917
Step 1: Find the prime factorization of 1659
1659 = 3 x 7 x 79
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 = 2758917 = 3 x 7 x 79 x 1663
Step 4: Therefore, the least common multiple of 1659 and 1663 is 2758917.