Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1660 and 1667 the smallest integer that is 2767220 that is divisible by both numbers.
Least Common Multiple (LCM) of 1660 and 1667 is 2767220.
LCM(1660,1667) = 2767220
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 1660 and 1667. First we will calculate the prime factors of 1660 and 1667.
Prime Factorization of 1660
2 | 1660 |
2 | 830 |
5 | 415 |
83 | 83 |
1 |
Prime factors of 1660 are 2, 5,83. Prime factorization of 1660 in exponential form is:
1660 = 22×51×831
Prime Factorization of 1667
1667 | 1667 |
1 |
Prime factors of 1667 are 1667. Prime factorization of 1667 in exponential form is:
1667 = 16671
Now multiplying the highest exponent prime factors to calculate the LCM of 1660 and 1667.
LCM(1660,1667) = 22×51×831×16671
LCM(1660,1667) = 2767220
Factors of 1660
List of positive integer factors of 1660 that divides 1660 without a remainder.
1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660
Factors of 1667
List of positive integer factors of 1667 that divides 1667 without a remainder.
1, 1667
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1660 and 1667, than apply into the LCM equation.
GCF(1660,1667) = 1
LCM(1660,1667) = ( 1660 × 1667) / 1
LCM(1660,1667) = 2767220 / 1
LCM(1660,1667) = 2767220
(i) The LCM of 1667 and 1660 is associative
LCM of 1660 and 1667 = LCM of 1667 and 1660
1. What is the LCM of 1660 and 1667?
Answer: LCM of 1660 and 1667 is 2767220.
2. What are the Factors of 1660?
Answer: Factors of 1660 are 1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660. There are 12 integers that are factors of 1660. The greatest factor of 1660 is 1660.
3. What are the Factors of 1667?
Answer: Factors of 1667 are 1, 1667. There are 2 integers that are factors of 1667. The greatest factor of 1667 is 1667.
4. How to Find the LCM of 1660 and 1667?
Answer:
Least Common Multiple of 1660 and 1667 = 2767220
Step 1: Find the prime factorization of 1660
1660 = 2 x 2 x 5 x 83
Step 2: Find the prime factorization of 1667
1667 = 1667
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2767220 = 2 x 2 x 5 x 83 x 1667
Step 4: Therefore, the least common multiple of 1660 and 1667 is 2767220.