Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8785 and 8791 the smallest integer that is 77228935 that is divisible by both numbers.
Least Common Multiple (LCM) of 8785 and 8791 is 77228935.
LCM(8785,8791) = 77228935
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 8785 and 8791. First we will calculate the prime factors of 8785 and 8791.
Prime Factorization of 8785
5 | 8785 |
7 | 1757 |
251 | 251 |
1 |
Prime factors of 8785 are 5, 7,251. Prime factorization of 8785 in exponential form is:
8785 = 51×71×2511
Prime Factorization of 8791
59 | 8791 |
149 | 149 |
1 |
Prime factors of 8791 are 59,149. Prime factorization of 8791 in exponential form is:
8791 = 591×1491
Now multiplying the highest exponent prime factors to calculate the LCM of 8785 and 8791.
LCM(8785,8791) = 51×71×591×1491×2511
LCM(8785,8791) = 77228935
Factors of 8785
List of positive integer factors of 8785 that divides 8785 without a remainder.
1, 5, 7, 35, 251, 1255, 1757, 8785
Factors of 8791
List of positive integer factors of 8791 that divides 8791 without a remainder.
1, 59, 149, 8791
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8785 and 8791, than apply into the LCM equation.
GCF(8785,8791) = 1
LCM(8785,8791) = ( 8785 × 8791) / 1
LCM(8785,8791) = 77228935 / 1
LCM(8785,8791) = 77228935
(i) The LCM of 8791 and 8785 is associative
LCM of 8785 and 8791 = LCM of 8791 and 8785
1. What is the LCM of 8785 and 8791?
Answer: LCM of 8785 and 8791 is 77228935.
2. What are the Factors of 8785?
Answer: Factors of 8785 are 1, 5, 7, 35, 251, 1255, 1757, 8785. There are 8 integers that are factors of 8785. The greatest factor of 8785 is 8785.
3. What are the Factors of 8791?
Answer: Factors of 8791 are 1, 59, 149, 8791. There are 4 integers that are factors of 8791. The greatest factor of 8791 is 8791.
4. How to Find the LCM of 8785 and 8791?
Answer:
Least Common Multiple of 8785 and 8791 = 77228935
Step 1: Find the prime factorization of 8785
8785 = 5 x 7 x 251
Step 2: Find the prime factorization of 8791
8791 = 59 x 149
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 77228935 = 5 x 7 x 59 x 149 x 251
Step 4: Therefore, the least common multiple of 8785 and 8791 is 77228935.