Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 745 and 751 the smallest integer that is 559495 that is divisible by both numbers.
Least Common Multiple (LCM) of 745 and 751 is 559495.
LCM(745,751) = 559495
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 745 and 751. First we will calculate the prime factors of 745 and 751.
Prime Factorization of 745
5 | 745 |
149 | 149 |
1 |
Prime factors of 745 are 5,149. Prime factorization of 745 in exponential form is:
745 = 51×1491
Prime Factorization of 751
751 | 751 |
1 |
Prime factors of 751 are 751. Prime factorization of 751 in exponential form is:
751 = 7511
Now multiplying the highest exponent prime factors to calculate the LCM of 745 and 751.
LCM(745,751) = 51×1491×7511
LCM(745,751) = 559495
Factors of 745
List of positive integer factors of 745 that divides 745 without a remainder.
1, 5, 149, 745
Factors of 751
List of positive integer factors of 751 that divides 751 without a remainder.
1, 751
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 745 and 751, than apply into the LCM equation.
GCF(745,751) = 1
LCM(745,751) = ( 745 × 751) / 1
LCM(745,751) = 559495 / 1
LCM(745,751) = 559495
(i) The LCM of 751 and 745 is associative
LCM of 745 and 751 = LCM of 751 and 745
1. What is the LCM of 745 and 751?
Answer: LCM of 745 and 751 is 559495.
2. What are the Factors of 745?
Answer: Factors of 745 are 1, 5, 149, 745. There are 4 integers that are factors of 745. The greatest factor of 745 is 745.
3. What are the Factors of 751?
Answer: Factors of 751 are 1, 751. There are 2 integers that are factors of 751. The greatest factor of 751 is 751.
4. How to Find the LCM of 745 and 751?
Answer:
Least Common Multiple of 745 and 751 = 559495
Step 1: Find the prime factorization of 745
745 = 5 x 149
Step 2: Find the prime factorization of 751
751 = 751
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 559495 = 5 x 149 x 751
Step 4: Therefore, the least common multiple of 745 and 751 is 559495.