Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 749 and 750 the smallest integer that is 561750 that is divisible by both numbers.
Least Common Multiple (LCM) of 749 and 750 is 561750.
LCM(749,750) = 561750
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 749 and 750. First we will calculate the prime factors of 749 and 750.
Prime Factorization of 749
7 | 749 |
107 | 107 |
1 |
Prime factors of 749 are 7,107. Prime factorization of 749 in exponential form is:
749 = 71×1071
Prime Factorization of 750
2 | 750 |
3 | 375 |
5 | 125 |
5 | 25 |
5 | 5 |
1 |
Prime factors of 750 are 2, 3,5. Prime factorization of 750 in exponential form is:
750 = 21×31×53
Now multiplying the highest exponent prime factors to calculate the LCM of 749 and 750.
LCM(749,750) = 21×31×53×71×1071
LCM(749,750) = 561750
Factors of 749
List of positive integer factors of 749 that divides 749 without a remainder.
1, 7, 107, 749
Factors of 750
List of positive integer factors of 750 that divides 750 without a remainder.
1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 750
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 749 and 750, than apply into the LCM equation.
GCF(749,750) = 1
LCM(749,750) = ( 749 × 750) / 1
LCM(749,750) = 561750 / 1
LCM(749,750) = 561750
(i) The LCM of 750 and 749 is associative
LCM of 749 and 750 = LCM of 750 and 749
1. What is the LCM of 749 and 750?
Answer: LCM of 749 and 750 is 561750.
2. What are the Factors of 749?
Answer: Factors of 749 are 1, 7, 107, 749. There are 4 integers that are factors of 749. The greatest factor of 749 is 749.
3. What are the Factors of 750?
Answer: Factors of 750 are 1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 750. There are 16 integers that are factors of 750. The greatest factor of 750 is 750.
4. How to Find the LCM of 749 and 750?
Answer:
Least Common Multiple of 749 and 750 = 561750
Step 1: Find the prime factorization of 749
749 = 7 x 107
Step 2: Find the prime factorization of 750
750 = 2 x 3 x 5 x 5 x 5
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 561750 = 2 x 3 x 5 x 5 x 5 x 7 x 107
Step 4: Therefore, the least common multiple of 749 and 750 is 561750.