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 7858 the smallest integer that is 30842650 that is divisible by both numbers.
Least Common Multiple (LCM) of 7850 and 7858 is 30842650.
LCM(7850,7858) = 30842650
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 7858. First we will calculate the prime factors of 7850 and 7858.
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 7858
2 | 7858 |
3929 | 3929 |
1 |
Prime factors of 7858 are 2,3929. Prime factorization of 7858 in exponential form is:
7858 = 21×39291
Now multiplying the highest exponent prime factors to calculate the LCM of 7850 and 7858.
LCM(7850,7858) = 21×52×1571×39291
LCM(7850,7858) = 30842650
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 7858
List of positive integer factors of 7858 that divides 7858 without a remainder.
1, 2, 3929, 7858
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7850 and 7858, than apply into the LCM equation.
GCF(7850,7858) = 2
LCM(7850,7858) = ( 7850 × 7858) / 2
LCM(7850,7858) = 61685300 / 2
LCM(7850,7858) = 30842650
(i) The LCM of 7858 and 7850 is associative
LCM of 7850 and 7858 = LCM of 7858 and 7850
1. What is the LCM of 7850 and 7858?
Answer: LCM of 7850 and 7858 is 30842650.
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 7858?
Answer: Factors of 7858 are 1, 2, 3929, 7858. There are 4 integers that are factors of 7858. The greatest factor of 7858 is 7858.
4. How to Find the LCM of 7850 and 7858?
Answer:
Least Common Multiple of 7850 and 7858 = 30842650
Step 1: Find the prime factorization of 7850
7850 = 2 x 5 x 5 x 157
Step 2: Find the prime factorization of 7858
7858 = 2 x 3929
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 30842650 = 2 x 5 x 5 x 157 x 3929
Step 4: Therefore, the least common multiple of 7850 and 7858 is 30842650.