Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1649 and 1654 the smallest integer that is 2727446 that is divisible by both numbers.
Least Common Multiple (LCM) of 1649 and 1654 is 2727446.
LCM(1649,1654) = 2727446
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 1649 and 1654. First we will calculate the prime factors of 1649 and 1654.
Prime Factorization of 1649
17 | 1649 |
97 | 97 |
1 |
Prime factors of 1649 are 17,97. Prime factorization of 1649 in exponential form is:
1649 = 171×971
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
Now multiplying the highest exponent prime factors to calculate the LCM of 1649 and 1654.
LCM(1649,1654) = 21×171×971×8271
LCM(1649,1654) = 2727446
Factors of 1649
List of positive integer factors of 1649 that divides 1649 without a remainder.
1, 17, 97, 1649
Factors of 1654
List of positive integer factors of 1654 that divides 1654 without a remainder.
1, 2, 827, 1654
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1649 and 1654, than apply into the LCM equation.
GCF(1649,1654) = 1
LCM(1649,1654) = ( 1649 × 1654) / 1
LCM(1649,1654) = 2727446 / 1
LCM(1649,1654) = 2727446
(i) The LCM of 1654 and 1649 is associative
LCM of 1649 and 1654 = LCM of 1654 and 1649
1. What is the LCM of 1649 and 1654?
Answer: LCM of 1649 and 1654 is 2727446.
2. What are the Factors of 1649?
Answer: Factors of 1649 are 1, 17, 97, 1649. There are 4 integers that are factors of 1649. The greatest factor of 1649 is 1649.
3. 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.
4. How to Find the LCM of 1649 and 1654?
Answer:
Least Common Multiple of 1649 and 1654 = 2727446
Step 1: Find the prime factorization of 1649
1649 = 17 x 97
Step 2: Find the prime factorization of 1654
1654 = 2 x 827
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2727446 = 2 x 17 x 97 x 827
Step 4: Therefore, the least common multiple of 1649 and 1654 is 2727446.