Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 4235 and 4242 the smallest integer that is 2566410 that is divisible by both numbers.
Least Common Multiple (LCM) of 4235 and 4242 is 2566410.
LCM(4235,4242) = 2566410
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 4235 and 4242. First we will calculate the prime factors of 4235 and 4242.
Prime Factorization of 4235
5 | 4235 |
7 | 847 |
11 | 121 |
11 | 11 |
1 |
Prime factors of 4235 are 5, 7,11. Prime factorization of 4235 in exponential form is:
4235 = 51×71×112
Prime Factorization of 4242
2 | 4242 |
3 | 2121 |
7 | 707 |
101 | 101 |
1 |
Prime factors of 4242 are 2, 3, 7,101. Prime factorization of 4242 in exponential form is:
4242 = 21×31×71×1011
Now multiplying the highest exponent prime factors to calculate the LCM of 4235 and 4242.
LCM(4235,4242) = 21×31×51×71×112×1011
LCM(4235,4242) = 2566410
Factors of 4235
List of positive integer factors of 4235 that divides 4235 without a remainder.
1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 4235
Factors of 4242
List of positive integer factors of 4242 that divides 4242 without a remainder.
1, 2, 3, 6, 7, 14, 21, 42, 101, 202, 303, 606, 707, 1414, 2121, 4242
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4235 and 4242, than apply into the LCM equation.
GCF(4235,4242) = 7
LCM(4235,4242) = ( 4235 × 4242) / 7
LCM(4235,4242) = 17964870 / 7
LCM(4235,4242) = 2566410
(i) The LCM of 4242 and 4235 is associative
LCM of 4235 and 4242 = LCM of 4242 and 4235
1. What is the LCM of 4235 and 4242?
Answer: LCM of 4235 and 4242 is 2566410.
2. What are the Factors of 4235?
Answer: Factors of 4235 are 1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 4235. There are 12 integers that are factors of 4235. The greatest factor of 4235 is 4235.
3. What are the Factors of 4242?
Answer: Factors of 4242 are 1, 2, 3, 6, 7, 14, 21, 42, 101, 202, 303, 606, 707, 1414, 2121, 4242. There are 16 integers that are factors of 4242. The greatest factor of 4242 is 4242.
4. How to Find the LCM of 4235 and 4242?
Answer:
Least Common Multiple of 4235 and 4242 = 2566410
Step 1: Find the prime factorization of 4235
4235 = 5 x 7 x 11 x 11
Step 2: Find the prime factorization of 4242
4242 = 2 x 3 x 7 x 101
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2566410 = 2 x 3 x 5 x 7 x 11 x 11 x 101
Step 4: Therefore, the least common multiple of 4235 and 4242 is 2566410.