Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7885 and 7892 the smallest integer that is 62228420 that is divisible by both numbers.
Least Common Multiple (LCM) of 7885 and 7892 is 62228420.
LCM(7885,7892) = 62228420
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 7885 and 7892. First we will calculate the prime factors of 7885 and 7892.
Prime Factorization of 7885
5 | 7885 |
19 | 1577 |
83 | 83 |
1 |
Prime factors of 7885 are 5, 19,83. Prime factorization of 7885 in exponential form is:
7885 = 51×191×831
Prime Factorization of 7892
2 | 7892 |
2 | 3946 |
1973 | 1973 |
1 |
Prime factors of 7892 are 2,1973. Prime factorization of 7892 in exponential form is:
7892 = 22×19731
Now multiplying the highest exponent prime factors to calculate the LCM of 7885 and 7892.
LCM(7885,7892) = 22×51×191×831×19731
LCM(7885,7892) = 62228420
Factors of 7885
List of positive integer factors of 7885 that divides 7885 without a remainder.
1, 5, 19, 83, 95, 415, 1577, 7885
Factors of 7892
List of positive integer factors of 7892 that divides 7892 without a remainder.
1, 2, 4, 1973, 3946, 7892
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7885 and 7892, than apply into the LCM equation.
GCF(7885,7892) = 1
LCM(7885,7892) = ( 7885 × 7892) / 1
LCM(7885,7892) = 62228420 / 1
LCM(7885,7892) = 62228420
(i) The LCM of 7892 and 7885 is associative
LCM of 7885 and 7892 = LCM of 7892 and 7885
1. What is the LCM of 7885 and 7892?
Answer: LCM of 7885 and 7892 is 62228420.
2. What are the Factors of 7885?
Answer: Factors of 7885 are 1, 5, 19, 83, 95, 415, 1577, 7885. There are 8 integers that are factors of 7885. The greatest factor of 7885 is 7885.
3. What are the Factors of 7892?
Answer: Factors of 7892 are 1, 2, 4, 1973, 3946, 7892. There are 6 integers that are factors of 7892. The greatest factor of 7892 is 7892.
4. How to Find the LCM of 7885 and 7892?
Answer:
Least Common Multiple of 7885 and 7892 = 62228420
Step 1: Find the prime factorization of 7885
7885 = 5 x 19 x 83
Step 2: Find the prime factorization of 7892
7892 = 2 x 2 x 1973
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 62228420 = 2 x 2 x 5 x 19 x 83 x 1973
Step 4: Therefore, the least common multiple of 7885 and 7892 is 62228420.