Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1054 and 1055 the smallest integer that is 1111970 that is divisible by both numbers.
Least Common Multiple (LCM) of 1054 and 1055 is 1111970.
LCM(1054,1055) = 1111970
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 1054 and 1055. First we will calculate the prime factors of 1054 and 1055.
Prime Factorization of 1054
2 | 1054 |
17 | 527 |
31 | 31 |
1 |
Prime factors of 1054 are 2, 17,31. Prime factorization of 1054 in exponential form is:
1054 = 21×171×311
Prime Factorization of 1055
5 | 1055 |
211 | 211 |
1 |
Prime factors of 1055 are 5,211. Prime factorization of 1055 in exponential form is:
1055 = 51×2111
Now multiplying the highest exponent prime factors to calculate the LCM of 1054 and 1055.
LCM(1054,1055) = 21×51×171×311×2111
LCM(1054,1055) = 1111970
Factors of 1054
List of positive integer factors of 1054 that divides 1054 without a remainder.
1, 2, 17, 31, 34, 62, 527, 1054
Factors of 1055
List of positive integer factors of 1055 that divides 1055 without a remainder.
1, 5, 211, 1055
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1054 and 1055, than apply into the LCM equation.
GCF(1054,1055) = 1
LCM(1054,1055) = ( 1054 × 1055) / 1
LCM(1054,1055) = 1111970 / 1
LCM(1054,1055) = 1111970
(i) The LCM of 1055 and 1054 is associative
LCM of 1054 and 1055 = LCM of 1055 and 1054
1. What is the LCM of 1054 and 1055?
Answer: LCM of 1054 and 1055 is 1111970.
2. What are the Factors of 1054?
Answer: Factors of 1054 are 1, 2, 17, 31, 34, 62, 527, 1054. There are 8 integers that are factors of 1054. The greatest factor of 1054 is 1054.
3. What are the Factors of 1055?
Answer: Factors of 1055 are 1, 5, 211, 1055. There are 4 integers that are factors of 1055. The greatest factor of 1055 is 1055.
4. How to Find the LCM of 1054 and 1055?
Answer:
Least Common Multiple of 1054 and 1055 = 1111970
Step 1: Find the prime factorization of 1054
1054 = 2 x 17 x 31
Step 2: Find the prime factorization of 1055
1055 = 5 x 211
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1111970 = 2 x 5 x 17 x 31 x 211
Step 4: Therefore, the least common multiple of 1054 and 1055 is 1111970.