Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 847 and 848 the smallest integer that is 718256 that is divisible by both numbers.
Least Common Multiple (LCM) of 847 and 848 is 718256.
LCM(847,848) = 718256
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 847 and 848. First we will calculate the prime factors of 847 and 848.
Prime Factorization of 847
7 | 847 |
11 | 121 |
11 | 11 |
1 |
Prime factors of 847 are 7,11. Prime factorization of 847 in exponential form is:
847 = 71×112
Prime Factorization of 848
2 | 848 |
2 | 424 |
2 | 212 |
2 | 106 |
53 | 53 |
1 |
Prime factors of 848 are 2,53. Prime factorization of 848 in exponential form is:
848 = 24×531
Now multiplying the highest exponent prime factors to calculate the LCM of 847 and 848.
LCM(847,848) = 24×71×112×531
LCM(847,848) = 718256
Factors of 847
List of positive integer factors of 847 that divides 847 without a remainder.
1, 7, 11, 77, 121, 847
Factors of 848
List of positive integer factors of 848 that divides 848 without a remainder.
1, 2, 4, 8, 16, 53, 106, 212, 424, 848
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 847 and 848, than apply into the LCM equation.
GCF(847,848) = 1
LCM(847,848) = ( 847 × 848) / 1
LCM(847,848) = 718256 / 1
LCM(847,848) = 718256
(i) The LCM of 848 and 847 is associative
LCM of 847 and 848 = LCM of 848 and 847
1. What is the LCM of 847 and 848?
Answer: LCM of 847 and 848 is 718256.
2. What are the Factors of 847?
Answer: Factors of 847 are 1, 7, 11, 77, 121, 847. There are 6 integers that are factors of 847. The greatest factor of 847 is 847.
3. What are the Factors of 848?
Answer: Factors of 848 are 1, 2, 4, 8, 16, 53, 106, 212, 424, 848. There are 10 integers that are factors of 848. The greatest factor of 848 is 848.
4. How to Find the LCM of 847 and 848?
Answer:
Least Common Multiple of 847 and 848 = 718256
Step 1: Find the prime factorization of 847
847 = 7 x 11 x 11
Step 2: Find the prime factorization of 848
848 = 2 x 2 x 2 x 2 x 53
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 718256 = 2 x 2 x 2 x 2 x 7 x 11 x 11 x 53
Step 4: Therefore, the least common multiple of 847 and 848 is 718256.