Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 75700 and 75705 the smallest integer that is 1146173700 that is divisible by both numbers.
Least Common Multiple (LCM) of 75700 and 75705 is 1146173700.
LCM(75700,75705) = 1146173700
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 75700 and 75705. First we will calculate the prime factors of 75700 and 75705.
Prime Factorization of 75700
2 | 75700 |
2 | 37850 |
5 | 18925 |
5 | 3785 |
757 | 757 |
1 |
Prime factors of 75700 are 2, 5,757. Prime factorization of 75700 in exponential form is:
75700 = 22×52×7571
Prime Factorization of 75705
3 | 75705 |
5 | 25235 |
7 | 5047 |
7 | 721 |
103 | 103 |
1 |
Prime factors of 75705 are 3, 5, 7,103. Prime factorization of 75705 in exponential form is:
75705 = 31×51×72×1031
Now multiplying the highest exponent prime factors to calculate the LCM of 75700 and 75705.
LCM(75700,75705) = 22×31×52×72×1031×7571
LCM(75700,75705) = 1146173700
Factors of 75700
List of positive integer factors of 75700 that divides 75700 without a remainder.
1, 2, 4, 5, 10, 20, 25, 50, 100, 757, 1514, 3028, 3785, 7570, 15140, 18925, 37850, 75700
Factors of 75705
List of positive integer factors of 75705 that divides 75705 without a remainder.
1, 3, 5, 7, 15, 21, 35, 49, 103, 105, 147, 245, 309, 515, 721, 735, 1545, 2163, 3605, 5047, 10815, 15141, 25235, 75705
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75700 and 75705, than apply into the LCM equation.
GCF(75700,75705) = 5
LCM(75700,75705) = ( 75700 × 75705) / 5
LCM(75700,75705) = 5730868500 / 5
LCM(75700,75705) = 1146173700
(i) The LCM of 75705 and 75700 is associative
LCM of 75700 and 75705 = LCM of 75705 and 75700
1. What is the LCM of 75700 and 75705?
Answer: LCM of 75700 and 75705 is 1146173700.
2. What are the Factors of 75700?
Answer: Factors of 75700 are 1, 2, 4, 5, 10, 20, 25, 50, 100, 757, 1514, 3028, 3785, 7570, 15140, 18925, 37850, 75700. There are 18 integers that are factors of 75700. The greatest factor of 75700 is 75700.
3. What are the Factors of 75705?
Answer: Factors of 75705 are 1, 3, 5, 7, 15, 21, 35, 49, 103, 105, 147, 245, 309, 515, 721, 735, 1545, 2163, 3605, 5047, 10815, 15141, 25235, 75705. There are 24 integers that are factors of 75705. The greatest factor of 75705 is 75705.
4. How to Find the LCM of 75700 and 75705?
Answer:
Least Common Multiple of 75700 and 75705 = 1146173700
Step 1: Find the prime factorization of 75700
75700 = 2 x 2 x 5 x 5 x 757
Step 2: Find the prime factorization of 75705
75705 = 3 x 5 x 7 x 7 x 103
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1146173700 = 2 x 2 x 3 x 5 x 5 x 7 x 7 x 103 x 757
Step 4: Therefore, the least common multiple of 75700 and 75705 is 1146173700.