Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 121 and 127 the smallest integer that is 15367 that is divisible by both numbers.
Least Common Multiple (LCM) of 121 and 127 is 15367.
LCM(121,127) = 15367
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 121 and 127. First we will calculate the prime factors of 121 and 127.
Prime Factorization of 121
11 | 121 |
11 | 11 |
1 |
Prime factors of 121 are 11. Prime factorization of 121 in exponential form is:
121 = 112
Prime Factorization of 127
127 | 127 |
1 |
Prime factors of 127 are 127. Prime factorization of 127 in exponential form is:
127 = 1271
Now multiplying the highest exponent prime factors to calculate the LCM of 121 and 127.
LCM(121,127) = 112×1271
LCM(121,127) = 15367
Factors of 121
List of positive integer factors of 121 that divides 121 without a remainder.
1, 11, 121
Factors of 127
List of positive integer factors of 127 that divides 127 without a remainder.
1, 127
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 121 and 127, than apply into the LCM equation.
GCF(121,127) = 1
LCM(121,127) = ( 121 × 127) / 1
LCM(121,127) = 15367 / 1
LCM(121,127) = 15367
(i) The LCM of 127 and 121 is associative
LCM of 121 and 127 = LCM of 127 and 121
1. What is the LCM of 121 and 127?
Answer: LCM of 121 and 127 is 15367.
2. What are the Factors of 121?
Answer: Factors of 121 are 1, 11, 121. There are 3 integers that are factors of 121. The greatest factor of 121 is 121.
3. What are the Factors of 127?
Answer: Factors of 127 are 1, 127. There are 2 integers that are factors of 127. The greatest factor of 127 is 127.
4. How to Find the LCM of 121 and 127?
Answer:
Least Common Multiple of 121 and 127 = 15367
Step 1: Find the prime factorization of 121
121 = 11 x 11
Step 2: Find the prime factorization of 127
127 = 127
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 15367 = 11 x 11 x 127
Step 4: Therefore, the least common multiple of 121 and 127 is 15367.