Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 715 and 716 the smallest integer that is 511940 that is divisible by both numbers.
Least Common Multiple (LCM) of 715 and 716 is 511940.
LCM(715,716) = 511940
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 715 and 716. First we will calculate the prime factors of 715 and 716.
Prime Factorization of 715
5 | 715 |
11 | 143 |
13 | 13 |
1 |
Prime factors of 715 are 5, 11,13. Prime factorization of 715 in exponential form is:
715 = 51×111×131
Prime Factorization of 716
2 | 716 |
2 | 358 |
179 | 179 |
1 |
Prime factors of 716 are 2,179. Prime factorization of 716 in exponential form is:
716 = 22×1791
Now multiplying the highest exponent prime factors to calculate the LCM of 715 and 716.
LCM(715,716) = 22×51×111×131×1791
LCM(715,716) = 511940
Factors of 715
List of positive integer factors of 715 that divides 715 without a remainder.
1, 5, 11, 13, 55, 65, 143, 715
Factors of 716
List of positive integer factors of 716 that divides 716 without a remainder.
1, 2, 4, 179, 358, 716
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 715 and 716, than apply into the LCM equation.
GCF(715,716) = 1
LCM(715,716) = ( 715 × 716) / 1
LCM(715,716) = 511940 / 1
LCM(715,716) = 511940
(i) The LCM of 716 and 715 is associative
LCM of 715 and 716 = LCM of 716 and 715
1. What is the LCM of 715 and 716?
Answer: LCM of 715 and 716 is 511940.
2. What are the Factors of 715?
Answer: Factors of 715 are 1, 5, 11, 13, 55, 65, 143, 715. There are 8 integers that are factors of 715. The greatest factor of 715 is 715.
3. What are the Factors of 716?
Answer: Factors of 716 are 1, 2, 4, 179, 358, 716. There are 6 integers that are factors of 716. The greatest factor of 716 is 716.
4. How to Find the LCM of 715 and 716?
Answer:
Least Common Multiple of 715 and 716 = 511940
Step 1: Find the prime factorization of 715
715 = 5 x 11 x 13
Step 2: Find the prime factorization of 716
716 = 2 x 2 x 179
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 511940 = 2 x 2 x 5 x 11 x 13 x 179
Step 4: Therefore, the least common multiple of 715 and 716 is 511940.