Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 308 and 310 the smallest integer that is 47740 that is divisible by both numbers.
Least Common Multiple (LCM) of 308 and 310 is 47740.
LCM(308,310) = 47740
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 308 and 310. First we will calculate the prime factors of 308 and 310.
Prime Factorization of 308
2 | 308 |
2 | 154 |
7 | 77 |
11 | 11 |
1 |
Prime factors of 308 are 2, 7,11. Prime factorization of 308 in exponential form is:
308 = 22×71×111
Prime Factorization of 310
2 | 310 |
5 | 155 |
31 | 31 |
1 |
Prime factors of 310 are 2, 5,31. Prime factorization of 310 in exponential form is:
310 = 21×51×311
Now multiplying the highest exponent prime factors to calculate the LCM of 308 and 310.
LCM(308,310) = 22×51×71×111×311
LCM(308,310) = 47740
Factors of 308
List of positive integer factors of 308 that divides 308 without a remainder.
1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308
Factors of 310
List of positive integer factors of 310 that divides 310 without a remainder.
1, 2, 5, 10, 31, 62, 155, 310
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 308 and 310, than apply into the LCM equation.
GCF(308,310) = 2
LCM(308,310) = ( 308 × 310) / 2
LCM(308,310) = 95480 / 2
LCM(308,310) = 47740
(i) The LCM of 310 and 308 is associative
LCM of 308 and 310 = LCM of 310 and 308
1. What is the LCM of 308 and 310?
Answer: LCM of 308 and 310 is 47740.
2. What are the Factors of 308?
Answer: Factors of 308 are 1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308. There are 12 integers that are factors of 308. The greatest factor of 308 is 308.
3. What are the Factors of 310?
Answer: Factors of 310 are 1, 2, 5, 10, 31, 62, 155, 310. There are 8 integers that are factors of 310. The greatest factor of 310 is 310.
4. How to Find the LCM of 308 and 310?
Answer:
Least Common Multiple of 308 and 310 = 47740
Step 1: Find the prime factorization of 308
308 = 2 x 2 x 7 x 11
Step 2: Find the prime factorization of 310
310 = 2 x 5 x 31
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 47740 = 2 x 2 x 5 x 7 x 11 x 31
Step 4: Therefore, the least common multiple of 308 and 310 is 47740.