Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 708 and 715 the smallest integer that is 506220 that is divisible by both numbers.
Least Common Multiple (LCM) of 708 and 715 is 506220.
LCM(708,715) = 506220
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 708 and 715. First we will calculate the prime factors of 708 and 715.
Prime Factorization of 708
2 | 708 |
2 | 354 |
3 | 177 |
59 | 59 |
1 |
Prime factors of 708 are 2, 3,59. Prime factorization of 708 in exponential form is:
708 = 22×31×591
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
Now multiplying the highest exponent prime factors to calculate the LCM of 708 and 715.
LCM(708,715) = 22×31×51×111×131×591
LCM(708,715) = 506220
Factors of 708
List of positive integer factors of 708 that divides 708 without a remainder.
1, 2, 3, 4, 6, 12, 59, 118, 177, 236, 354, 708
Factors of 715
List of positive integer factors of 715 that divides 715 without a remainder.
1, 5, 11, 13, 55, 65, 143, 715
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 708 and 715, than apply into the LCM equation.
GCF(708,715) = 1
LCM(708,715) = ( 708 × 715) / 1
LCM(708,715) = 506220 / 1
LCM(708,715) = 506220
(i) The LCM of 715 and 708 is associative
LCM of 708 and 715 = LCM of 715 and 708
1. What is the LCM of 708 and 715?
Answer: LCM of 708 and 715 is 506220.
2. What are the Factors of 708?
Answer: Factors of 708 are 1, 2, 3, 4, 6, 12, 59, 118, 177, 236, 354, 708. There are 12 integers that are factors of 708. The greatest factor of 708 is 708.
3. 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.
4. How to Find the LCM of 708 and 715?
Answer:
Least Common Multiple of 708 and 715 = 506220
Step 1: Find the prime factorization of 708
708 = 2 x 2 x 3 x 59
Step 2: Find the prime factorization of 715
715 = 5 x 11 x 13
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 506220 = 2 x 2 x 3 x 5 x 11 x 13 x 59
Step 4: Therefore, the least common multiple of 708 and 715 is 506220.