Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7850 and 7854 the smallest integer that is 30826950 that is divisible by both numbers.
Least Common Multiple (LCM) of 7850 and 7854 is 30826950.
LCM(7850,7854) = 30826950
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 7850 and 7854. First we will calculate the prime factors of 7850 and 7854.
Prime Factorization of 7850
2 | 7850 |
5 | 3925 |
5 | 785 |
157 | 157 |
1 |
Prime factors of 7850 are 2, 5,157. Prime factorization of 7850 in exponential form is:
7850 = 21×52×1571
Prime Factorization of 7854
2 | 7854 |
3 | 3927 |
7 | 1309 |
11 | 187 |
17 | 17 |
1 |
Prime factors of 7854 are 2, 3, 7, 11,17. Prime factorization of 7854 in exponential form is:
7854 = 21×31×71×111×171
Now multiplying the highest exponent prime factors to calculate the LCM of 7850 and 7854.
LCM(7850,7854) = 21×31×52×71×111×171×1571
LCM(7850,7854) = 30826950
Factors of 7850
List of positive integer factors of 7850 that divides 7850 without a remainder.
1, 2, 5, 10, 25, 50, 157, 314, 785, 1570, 3925, 7850
Factors of 7854
List of positive integer factors of 7854 that divides 7854 without a remainder.
1, 2, 3, 6, 7, 11, 14, 17, 21, 22, 33, 34, 42, 51, 66, 77, 102, 119, 154, 187, 231, 238, 357, 374, 462, 561, 714, 1122, 1309, 2618, 3927, 7854
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7850 and 7854, than apply into the LCM equation.
GCF(7850,7854) = 2
LCM(7850,7854) = ( 7850 × 7854) / 2
LCM(7850,7854) = 61653900 / 2
LCM(7850,7854) = 30826950
(i) The LCM of 7854 and 7850 is associative
LCM of 7850 and 7854 = LCM of 7854 and 7850
1. What is the LCM of 7850 and 7854?
Answer: LCM of 7850 and 7854 is 30826950.
2. What are the Factors of 7850?
Answer: Factors of 7850 are 1, 2, 5, 10, 25, 50, 157, 314, 785, 1570, 3925, 7850. There are 12 integers that are factors of 7850. The greatest factor of 7850 is 7850.
3. What are the Factors of 7854?
Answer: Factors of 7854 are 1, 2, 3, 6, 7, 11, 14, 17, 21, 22, 33, 34, 42, 51, 66, 77, 102, 119, 154, 187, 231, 238, 357, 374, 462, 561, 714, 1122, 1309, 2618, 3927, 7854. There are 32 integers that are factors of 7854. The greatest factor of 7854 is 7854.
4. How to Find the LCM of 7850 and 7854?
Answer:
Least Common Multiple of 7850 and 7854 = 30826950
Step 1: Find the prime factorization of 7850
7850 = 2 x 5 x 5 x 157
Step 2: Find the prime factorization of 7854
7854 = 2 x 3 x 7 x 11 x 17
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 30826950 = 2 x 3 x 5 x 5 x 7 x 11 x 17 x 157
Step 4: Therefore, the least common multiple of 7850 and 7854 is 30826950.