Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 248 and 253 the smallest integer that is 62744 that is divisible by both numbers.
Least Common Multiple (LCM) of 248 and 253 is 62744.
LCM(248,253) = 62744
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 248 and 253. First we will calculate the prime factors of 248 and 253.
Prime Factorization of 248
2 | 248 |
2 | 124 |
2 | 62 |
31 | 31 |
1 |
Prime factors of 248 are 2,31. Prime factorization of 248 in exponential form is:
248 = 23×311
Prime Factorization of 253
11 | 253 |
23 | 23 |
1 |
Prime factors of 253 are 11,23. Prime factorization of 253 in exponential form is:
253 = 111×231
Now multiplying the highest exponent prime factors to calculate the LCM of 248 and 253.
LCM(248,253) = 23×111×231×311
LCM(248,253) = 62744
Factors of 248
List of positive integer factors of 248 that divides 248 without a remainder.
1, 2, 4, 8, 31, 62, 124, 248
Factors of 253
List of positive integer factors of 253 that divides 253 without a remainder.
1, 11, 23, 253
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 248 and 253, than apply into the LCM equation.
GCF(248,253) = 1
LCM(248,253) = ( 248 × 253) / 1
LCM(248,253) = 62744 / 1
LCM(248,253) = 62744
(i) The LCM of 253 and 248 is associative
LCM of 248 and 253 = LCM of 253 and 248
1. What is the LCM of 248 and 253?
Answer: LCM of 248 and 253 is 62744.
2. What are the Factors of 248?
Answer: Factors of 248 are 1, 2, 4, 8, 31, 62, 124, 248. There are 8 integers that are factors of 248. The greatest factor of 248 is 248.
3. What are the Factors of 253?
Answer: Factors of 253 are 1, 11, 23, 253. There are 4 integers that are factors of 253. The greatest factor of 253 is 253.
4. How to Find the LCM of 248 and 253?
Answer:
Least Common Multiple of 248 and 253 = 62744
Step 1: Find the prime factorization of 248
248 = 2 x 2 x 2 x 31
Step 2: Find the prime factorization of 253
253 = 11 x 23
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 62744 = 2 x 2 x 2 x 11 x 23 x 31
Step 4: Therefore, the least common multiple of 248 and 253 is 62744.