Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1654 and 1660 the smallest integer that is 1372820 that is divisible by both numbers.
Least Common Multiple (LCM) of 1654 and 1660 is 1372820.
LCM(1654,1660) = 1372820
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 1654 and 1660. First we will calculate the prime factors of 1654 and 1660.
Prime Factorization of 1654
2 | 1654 |
827 | 827 |
1 |
Prime factors of 1654 are 2,827. Prime factorization of 1654 in exponential form is:
1654 = 21×8271
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
Now multiplying the highest exponent prime factors to calculate the LCM of 1654 and 1660.
LCM(1654,1660) = 22×51×831×8271
LCM(1654,1660) = 1372820
Factors of 1654
List of positive integer factors of 1654 that divides 1654 without a remainder.
1, 2, 827, 1654
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
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1654 and 1660, than apply into the LCM equation.
GCF(1654,1660) = 2
LCM(1654,1660) = ( 1654 × 1660) / 2
LCM(1654,1660) = 2745640 / 2
LCM(1654,1660) = 1372820
(i) The LCM of 1660 and 1654 is associative
LCM of 1654 and 1660 = LCM of 1660 and 1654
1. What is the LCM of 1654 and 1660?
Answer: LCM of 1654 and 1660 is 1372820.
2. What are the Factors of 1654?
Answer: Factors of 1654 are 1, 2, 827, 1654. There are 4 integers that are factors of 1654. The greatest factor of 1654 is 1654.
3. 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.
4. How to Find the LCM of 1654 and 1660?
Answer:
Least Common Multiple of 1654 and 1660 = 1372820
Step 1: Find the prime factorization of 1654
1654 = 2 x 827
Step 2: Find the prime factorization of 1660
1660 = 2 x 2 x 5 x 83
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1372820 = 2 x 2 x 5 x 83 x 827
Step 4: Therefore, the least common multiple of 1654 and 1660 is 1372820.