Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7239 and 7243 the smallest integer that is 52432077 that is divisible by both numbers.
Least Common Multiple (LCM) of 7239 and 7243 is 52432077.
LCM(7239,7243) = 52432077
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 7239 and 7243. First we will calculate the prime factors of 7239 and 7243.
Prime Factorization of 7239
3 | 7239 |
19 | 2413 |
127 | 127 |
1 |
Prime factors of 7239 are 3, 19,127. Prime factorization of 7239 in exponential form is:
7239 = 31×191×1271
Prime Factorization of 7243
7243 | 7243 |
1 |
Prime factors of 7243 are 7243. Prime factorization of 7243 in exponential form is:
7243 = 72431
Now multiplying the highest exponent prime factors to calculate the LCM of 7239 and 7243.
LCM(7239,7243) = 31×191×1271×72431
LCM(7239,7243) = 52432077
Factors of 7239
List of positive integer factors of 7239 that divides 7239 without a remainder.
1, 3, 19, 57, 127, 381, 2413, 7239
Factors of 7243
List of positive integer factors of 7243 that divides 7243 without a remainder.
1, 7243
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7239 and 7243, than apply into the LCM equation.
GCF(7239,7243) = 1
LCM(7239,7243) = ( 7239 × 7243) / 1
LCM(7239,7243) = 52432077 / 1
LCM(7239,7243) = 52432077
(i) The LCM of 7243 and 7239 is associative
LCM of 7239 and 7243 = LCM of 7243 and 7239
1. What is the LCM of 7239 and 7243?
Answer: LCM of 7239 and 7243 is 52432077.
2. What are the Factors of 7239?
Answer: Factors of 7239 are 1, 3, 19, 57, 127, 381, 2413, 7239. There are 8 integers that are factors of 7239. The greatest factor of 7239 is 7239.
3. What are the Factors of 7243?
Answer: Factors of 7243 are 1, 7243. There are 2 integers that are factors of 7243. The greatest factor of 7243 is 7243.
4. How to Find the LCM of 7239 and 7243?
Answer:
Least Common Multiple of 7239 and 7243 = 52432077
Step 1: Find the prime factorization of 7239
7239 = 3 x 19 x 127
Step 2: Find the prime factorization of 7243
7243 = 7243
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 52432077 = 3 x 19 x 127 x 7243
Step 4: Therefore, the least common multiple of 7239 and 7243 is 52432077.