Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7672 and 7678 the smallest integer that is 29452808 that is divisible by both numbers.
Least Common Multiple (LCM) of 7672 and 7678 is 29452808.
LCM(7672,7678) = 29452808
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 7672 and 7678. First we will calculate the prime factors of 7672 and 7678.
Prime Factorization of 7672
2 | 7672 |
2 | 3836 |
2 | 1918 |
7 | 959 |
137 | 137 |
1 |
Prime factors of 7672 are 2, 7,137. Prime factorization of 7672 in exponential form is:
7672 = 23×71×1371
Prime Factorization of 7678
2 | 7678 |
11 | 3839 |
349 | 349 |
1 |
Prime factors of 7678 are 2, 11,349. Prime factorization of 7678 in exponential form is:
7678 = 21×111×3491
Now multiplying the highest exponent prime factors to calculate the LCM of 7672 and 7678.
LCM(7672,7678) = 23×71×111×1371×3491
LCM(7672,7678) = 29452808
Factors of 7672
List of positive integer factors of 7672 that divides 7672 without a remainder.
1, 2, 4, 7, 8, 14, 28, 56, 137, 274, 548, 959, 1096, 1918, 3836, 7672
Factors of 7678
List of positive integer factors of 7678 that divides 7678 without a remainder.
1, 2, 11, 22, 349, 698, 3839, 7678
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7672 and 7678, than apply into the LCM equation.
GCF(7672,7678) = 2
LCM(7672,7678) = ( 7672 × 7678) / 2
LCM(7672,7678) = 58905616 / 2
LCM(7672,7678) = 29452808
(i) The LCM of 7678 and 7672 is associative
LCM of 7672 and 7678 = LCM of 7678 and 7672
1. What is the LCM of 7672 and 7678?
Answer: LCM of 7672 and 7678 is 29452808.
2. What are the Factors of 7672?
Answer: Factors of 7672 are 1, 2, 4, 7, 8, 14, 28, 56, 137, 274, 548, 959, 1096, 1918, 3836, 7672. There are 16 integers that are factors of 7672. The greatest factor of 7672 is 7672.
3. What are the Factors of 7678?
Answer: Factors of 7678 are 1, 2, 11, 22, 349, 698, 3839, 7678. There are 8 integers that are factors of 7678. The greatest factor of 7678 is 7678.
4. How to Find the LCM of 7672 and 7678?
Answer:
Least Common Multiple of 7672 and 7678 = 29452808
Step 1: Find the prime factorization of 7672
7672 = 2 x 2 x 2 x 7 x 137
Step 2: Find the prime factorization of 7678
7678 = 2 x 11 x 349
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 29452808 = 2 x 2 x 2 x 7 x 11 x 137 x 349
Step 4: Therefore, the least common multiple of 7672 and 7678 is 29452808.