Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 251 and 253 the smallest integer that is 63503 that is divisible by both numbers.
Least Common Multiple (LCM) of 251 and 253 is 63503.
LCM(251,253) = 63503
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 251 and 253. First we will calculate the prime factors of 251 and 253.
Prime Factorization of 251
251 | 251 |
1 |
Prime factors of 251 are 251. Prime factorization of 251 in exponential form is:
251 = 2511
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 251 and 253.
LCM(251,253) = 111×231×2511
LCM(251,253) = 63503
Factors of 251
List of positive integer factors of 251 that divides 251 without a remainder.
1, 251
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 251 and 253, than apply into the LCM equation.
GCF(251,253) = 1
LCM(251,253) = ( 251 × 253) / 1
LCM(251,253) = 63503 / 1
LCM(251,253) = 63503
(i) The LCM of 253 and 251 is associative
LCM of 251 and 253 = LCM of 253 and 251
1. What is the LCM of 251 and 253?
Answer: LCM of 251 and 253 is 63503.
2. What are the Factors of 251?
Answer: Factors of 251 are 1, 251. There are 2 integers that are factors of 251. The greatest factor of 251 is 251.
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 251 and 253?
Answer:
Least Common Multiple of 251 and 253 = 63503
Step 1: Find the prime factorization of 251
251 = 251
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 = 63503 = 11 x 23 x 251
Step 4: Therefore, the least common multiple of 251 and 253 is 63503.