Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8428 and 8434 the smallest integer that is 35540876 that is divisible by both numbers.
Least Common Multiple (LCM) of 8428 and 8434 is 35540876.
LCM(8428,8434) = 35540876
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 8428 and 8434. First we will calculate the prime factors of 8428 and 8434.
Prime Factorization of 8428
2 | 8428 |
2 | 4214 |
7 | 2107 |
7 | 301 |
43 | 43 |
1 |
Prime factors of 8428 are 2, 7,43. Prime factorization of 8428 in exponential form is:
8428 = 22×72×431
Prime Factorization of 8434
2 | 8434 |
4217 | 4217 |
1 |
Prime factors of 8434 are 2,4217. Prime factorization of 8434 in exponential form is:
8434 = 21×42171
Now multiplying the highest exponent prime factors to calculate the LCM of 8428 and 8434.
LCM(8428,8434) = 22×72×431×42171
LCM(8428,8434) = 35540876
Factors of 8428
List of positive integer factors of 8428 that divides 8428 without a remainder.
1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 602, 1204, 2107, 4214, 8428
Factors of 8434
List of positive integer factors of 8434 that divides 8434 without a remainder.
1, 2, 4217, 8434
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8428 and 8434, than apply into the LCM equation.
GCF(8428,8434) = 2
LCM(8428,8434) = ( 8428 × 8434) / 2
LCM(8428,8434) = 71081752 / 2
LCM(8428,8434) = 35540876
(i) The LCM of 8434 and 8428 is associative
LCM of 8428 and 8434 = LCM of 8434 and 8428
1. What is the LCM of 8428 and 8434?
Answer: LCM of 8428 and 8434 is 35540876.
2. What are the Factors of 8428?
Answer: Factors of 8428 are 1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 602, 1204, 2107, 4214, 8428. There are 18 integers that are factors of 8428. The greatest factor of 8428 is 8428.
3. What are the Factors of 8434?
Answer: Factors of 8434 are 1, 2, 4217, 8434. There are 4 integers that are factors of 8434. The greatest factor of 8434 is 8434.
4. How to Find the LCM of 8428 and 8434?
Answer:
Least Common Multiple of 8428 and 8434 = 35540876
Step 1: Find the prime factorization of 8428
8428 = 2 x 2 x 7 x 7 x 43
Step 2: Find the prime factorization of 8434
8434 = 2 x 4217
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 35540876 = 2 x 2 x 7 x 7 x 43 x 4217
Step 4: Therefore, the least common multiple of 8428 and 8434 is 35540876.