Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 747 and 753 the smallest integer that is 187497 that is divisible by both numbers.
Least Common Multiple (LCM) of 747 and 753 is 187497.
LCM(747,753) = 187497
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 747 and 753. First we will calculate the prime factors of 747 and 753.
Prime Factorization of 747
3 | 747 |
3 | 249 |
83 | 83 |
1 |
Prime factors of 747 are 3,83. Prime factorization of 747 in exponential form is:
747 = 32×831
Prime Factorization of 753
3 | 753 |
251 | 251 |
1 |
Prime factors of 753 are 3,251. Prime factorization of 753 in exponential form is:
753 = 31×2511
Now multiplying the highest exponent prime factors to calculate the LCM of 747 and 753.
LCM(747,753) = 32×831×2511
LCM(747,753) = 187497
Factors of 747
List of positive integer factors of 747 that divides 747 without a remainder.
1, 3, 9, 83, 249, 747
Factors of 753
List of positive integer factors of 753 that divides 753 without a remainder.
1, 3, 251, 753
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 747 and 753, than apply into the LCM equation.
GCF(747,753) = 3
LCM(747,753) = ( 747 × 753) / 3
LCM(747,753) = 562491 / 3
LCM(747,753) = 187497
(i) The LCM of 753 and 747 is associative
LCM of 747 and 753 = LCM of 753 and 747
1. What is the LCM of 747 and 753?
Answer: LCM of 747 and 753 is 187497.
2. What are the Factors of 747?
Answer: Factors of 747 are 1, 3, 9, 83, 249, 747. There are 6 integers that are factors of 747. The greatest factor of 747 is 747.
3. What are the Factors of 753?
Answer: Factors of 753 are 1, 3, 251, 753. There are 4 integers that are factors of 753. The greatest factor of 753 is 753.
4. How to Find the LCM of 747 and 753?
Answer:
Least Common Multiple of 747 and 753 = 187497
Step 1: Find the prime factorization of 747
747 = 3 x 3 x 83
Step 2: Find the prime factorization of 753
753 = 3 x 251
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 187497 = 3 x 3 x 83 x 251
Step 4: Therefore, the least common multiple of 747 and 753 is 187497.