Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 740 and 743 the smallest integer that is 549820 that is divisible by both numbers.
Least Common Multiple (LCM) of 740 and 743 is 549820.
LCM(740,743) = 549820
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 740 and 743. First we will calculate the prime factors of 740 and 743.
Prime Factorization of 740
2 | 740 |
2 | 370 |
5 | 185 |
37 | 37 |
1 |
Prime factors of 740 are 2, 5,37. Prime factorization of 740 in exponential form is:
740 = 22×51×371
Prime Factorization of 743
743 | 743 |
1 |
Prime factors of 743 are 743. Prime factorization of 743 in exponential form is:
743 = 7431
Now multiplying the highest exponent prime factors to calculate the LCM of 740 and 743.
LCM(740,743) = 22×51×371×7431
LCM(740,743) = 549820
Factors of 740
List of positive integer factors of 740 that divides 740 without a remainder.
1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740
Factors of 743
List of positive integer factors of 743 that divides 743 without a remainder.
1, 743
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 740 and 743, than apply into the LCM equation.
GCF(740,743) = 1
LCM(740,743) = ( 740 × 743) / 1
LCM(740,743) = 549820 / 1
LCM(740,743) = 549820
(i) The LCM of 743 and 740 is associative
LCM of 740 and 743 = LCM of 743 and 740
1. What is the LCM of 740 and 743?
Answer: LCM of 740 and 743 is 549820.
2. What are the Factors of 740?
Answer: Factors of 740 are 1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740. There are 12 integers that are factors of 740. The greatest factor of 740 is 740.
3. What are the Factors of 743?
Answer: Factors of 743 are 1, 743. There are 2 integers that are factors of 743. The greatest factor of 743 is 743.
4. How to Find the LCM of 740 and 743?
Answer:
Least Common Multiple of 740 and 743 = 549820
Step 1: Find the prime factorization of 740
740 = 2 x 2 x 5 x 37
Step 2: Find the prime factorization of 743
743 = 743
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 549820 = 2 x 2 x 5 x 37 x 743
Step 4: Therefore, the least common multiple of 740 and 743 is 549820.