Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7722 and 7724 the smallest integer that is 29822364 that is divisible by both numbers.
Least Common Multiple (LCM) of 7722 and 7724 is 29822364.
LCM(7722,7724) = 29822364
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 7722 and 7724. First we will calculate the prime factors of 7722 and 7724.
Prime Factorization of 7722
2 | 7722 |
3 | 3861 |
3 | 1287 |
3 | 429 |
11 | 143 |
13 | 13 |
1 |
Prime factors of 7722 are 2, 3, 11,13. Prime factorization of 7722 in exponential form is:
7722 = 21×33×111×131
Prime Factorization of 7724
2 | 7724 |
2 | 3862 |
1931 | 1931 |
1 |
Prime factors of 7724 are 2,1931. Prime factorization of 7724 in exponential form is:
7724 = 22×19311
Now multiplying the highest exponent prime factors to calculate the LCM of 7722 and 7724.
LCM(7722,7724) = 22×33×111×131×19311
LCM(7722,7724) = 29822364
Factors of 7722
List of positive integer factors of 7722 that divides 7722 without a remainder.
1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 27, 33, 39, 54, 66, 78, 99, 117, 143, 198, 234, 286, 297, 351, 429, 594, 702, 858, 1287, 2574, 3861, 7722
Factors of 7724
List of positive integer factors of 7724 that divides 7724 without a remainder.
1, 2, 4, 1931, 3862, 7724
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7722 and 7724, than apply into the LCM equation.
GCF(7722,7724) = 2
LCM(7722,7724) = ( 7722 × 7724) / 2
LCM(7722,7724) = 59644728 / 2
LCM(7722,7724) = 29822364
(i) The LCM of 7724 and 7722 is associative
LCM of 7722 and 7724 = LCM of 7724 and 7722
1. What is the LCM of 7722 and 7724?
Answer: LCM of 7722 and 7724 is 29822364.
2. What are the Factors of 7722?
Answer: Factors of 7722 are 1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 27, 33, 39, 54, 66, 78, 99, 117, 143, 198, 234, 286, 297, 351, 429, 594, 702, 858, 1287, 2574, 3861, 7722. There are 32 integers that are factors of 7722. The greatest factor of 7722 is 7722.
3. What are the Factors of 7724?
Answer: Factors of 7724 are 1, 2, 4, 1931, 3862, 7724. There are 6 integers that are factors of 7724. The greatest factor of 7724 is 7724.
4. How to Find the LCM of 7722 and 7724?
Answer:
Least Common Multiple of 7722 and 7724 = 29822364
Step 1: Find the prime factorization of 7722
7722 = 2 x 3 x 3 x 3 x 11 x 13
Step 2: Find the prime factorization of 7724
7724 = 2 x 2 x 1931
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 29822364 = 2 x 2 x 3 x 3 x 3 x 11 x 13 x 1931
Step 4: Therefore, the least common multiple of 7722 and 7724 is 29822364.