Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2128 and 2136 the smallest integer that is 568176 that is divisible by both numbers.
Least Common Multiple (LCM) of 2128 and 2136 is 568176.
LCM(2128,2136) = 568176
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 2128 and 2136. First we will calculate the prime factors of 2128 and 2136.
Prime Factorization of 2128
2 | 2128 |
2 | 1064 |
2 | 532 |
2 | 266 |
7 | 133 |
19 | 19 |
1 |
Prime factors of 2128 are 2, 7,19. Prime factorization of 2128 in exponential form is:
2128 = 24×71×191
Prime Factorization of 2136
2 | 2136 |
2 | 1068 |
2 | 534 |
3 | 267 |
89 | 89 |
1 |
Prime factors of 2136 are 2, 3,89. Prime factorization of 2136 in exponential form is:
2136 = 23×31×891
Now multiplying the highest exponent prime factors to calculate the LCM of 2128 and 2136.
LCM(2128,2136) = 24×31×71×191×891
LCM(2128,2136) = 568176
Factors of 2128
List of positive integer factors of 2128 that divides 2128 without a remainder.
1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128
Factors of 2136
List of positive integer factors of 2136 that divides 2136 without a remainder.
1, 2, 3, 4, 6, 8, 12, 24, 89, 178, 267, 356, 534, 712, 1068, 2136
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2128 and 2136, than apply into the LCM equation.
GCF(2128,2136) = 8
LCM(2128,2136) = ( 2128 × 2136) / 8
LCM(2128,2136) = 4545408 / 8
LCM(2128,2136) = 568176
(i) The LCM of 2136 and 2128 is associative
LCM of 2128 and 2136 = LCM of 2136 and 2128
1. What is the LCM of 2128 and 2136?
Answer: LCM of 2128 and 2136 is 568176.
2. What are the Factors of 2128?
Answer: Factors of 2128 are 1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128. There are 20 integers that are factors of 2128. The greatest factor of 2128 is 2128.
3. What are the Factors of 2136?
Answer: Factors of 2136 are 1, 2, 3, 4, 6, 8, 12, 24, 89, 178, 267, 356, 534, 712, 1068, 2136. There are 16 integers that are factors of 2136. The greatest factor of 2136 is 2136.
4. How to Find the LCM of 2128 and 2136?
Answer:
Least Common Multiple of 2128 and 2136 = 568176
Step 1: Find the prime factorization of 2128
2128 = 2 x 2 x 2 x 2 x 7 x 19
Step 2: Find the prime factorization of 2136
2136 = 2 x 2 x 2 x 3 x 89
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 568176 = 2 x 2 x 2 x 2 x 3 x 7 x 19 x 89
Step 4: Therefore, the least common multiple of 2128 and 2136 is 568176.