Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 252 and 256 the smallest integer that is 16128 that is divisible by both numbers.
Least Common Multiple (LCM) of 252 and 256 is 16128.
LCM(252,256) = 16128
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 252 and 256. First we will calculate the prime factors of 252 and 256.
Prime Factorization of 252
2 | 252 |
2 | 126 |
3 | 63 |
3 | 21 |
7 | 7 |
1 |
Prime factors of 252 are 2, 3,7. Prime factorization of 252 in exponential form is:
252 = 22×32×71
Prime Factorization of 256
2 | 256 |
2 | 128 |
2 | 64 |
2 | 32 |
2 | 16 |
2 | 8 |
2 | 4 |
2 | 2 |
1 |
Prime factors of 256 are 2. Prime factorization of 256 in exponential form is:
256 = 28
Now multiplying the highest exponent prime factors to calculate the LCM of 252 and 256.
LCM(252,256) = 28×32×71
LCM(252,256) = 16128
Factors of 252
List of positive integer factors of 252 that divides 252 without a remainder.
1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252
Factors of 256
List of positive integer factors of 256 that divides 256 without a remainder.
1, 2, 4, 8, 16, 32, 64, 128, 256
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 252 and 256, than apply into the LCM equation.
GCF(252,256) = 4
LCM(252,256) = ( 252 × 256) / 4
LCM(252,256) = 64512 / 4
LCM(252,256) = 16128
(i) The LCM of 256 and 252 is associative
LCM of 252 and 256 = LCM of 256 and 252
1. What is the LCM of 252 and 256?
Answer: LCM of 252 and 256 is 16128.
2. What are the Factors of 252?
Answer: Factors of 252 are 1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252. There are 18 integers that are factors of 252. The greatest factor of 252 is 252.
3. What are the Factors of 256?
Answer: Factors of 256 are 1, 2, 4, 8, 16, 32, 64, 128, 256. There are 9 integers that are factors of 256. The greatest factor of 256 is 256.
4. How to Find the LCM of 252 and 256?
Answer:
Least Common Multiple of 252 and 256 = 16128
Step 1: Find the prime factorization of 252
252 = 2 x 2 x 3 x 3 x 7
Step 2: Find the prime factorization of 256
256 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 16128 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 7
Step 4: Therefore, the least common multiple of 252 and 256 is 16128.