Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7808 and 7813 the smallest integer that is 61003904 that is divisible by both numbers.
Least Common Multiple (LCM) of 7808 and 7813 is 61003904.
LCM(7808,7813) = 61003904
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 7808 and 7813. First we will calculate the prime factors of 7808 and 7813.
Prime Factorization of 7808
2 | 7808 |
2 | 3904 |
2 | 1952 |
2 | 976 |
2 | 488 |
2 | 244 |
2 | 122 |
61 | 61 |
1 |
Prime factors of 7808 are 2,61. Prime factorization of 7808 in exponential form is:
7808 = 27×611
Prime Factorization of 7813
13 | 7813 |
601 | 601 |
1 |
Prime factors of 7813 are 13,601. Prime factorization of 7813 in exponential form is:
7813 = 131×6011
Now multiplying the highest exponent prime factors to calculate the LCM of 7808 and 7813.
LCM(7808,7813) = 27×131×611×6011
LCM(7808,7813) = 61003904
Factors of 7808
List of positive integer factors of 7808 that divides 7808 without a remainder.
1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 488, 976, 1952, 3904, 7808
Factors of 7813
List of positive integer factors of 7813 that divides 7813 without a remainder.
1, 13, 601, 7813
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7808 and 7813, than apply into the LCM equation.
GCF(7808,7813) = 1
LCM(7808,7813) = ( 7808 × 7813) / 1
LCM(7808,7813) = 61003904 / 1
LCM(7808,7813) = 61003904
(i) The LCM of 7813 and 7808 is associative
LCM of 7808 and 7813 = LCM of 7813 and 7808
1. What is the LCM of 7808 and 7813?
Answer: LCM of 7808 and 7813 is 61003904.
2. What are the Factors of 7808?
Answer: Factors of 7808 are 1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 488, 976, 1952, 3904, 7808. There are 16 integers that are factors of 7808. The greatest factor of 7808 is 7808.
3. What are the Factors of 7813?
Answer: Factors of 7813 are 1, 13, 601, 7813. There are 4 integers that are factors of 7813. The greatest factor of 7813 is 7813.
4. How to Find the LCM of 7808 and 7813?
Answer:
Least Common Multiple of 7808 and 7813 = 61003904
Step 1: Find the prime factorization of 7808
7808 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 61
Step 2: Find the prime factorization of 7813
7813 = 13 x 601
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 61003904 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 13 x 61 x 601
Step 4: Therefore, the least common multiple of 7808 and 7813 is 61003904.