Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7908 and 7910 the smallest integer that is 31276140 that is divisible by both numbers.
Least Common Multiple (LCM) of 7908 and 7910 is 31276140.
LCM(7908,7910) = 31276140
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 7908 and 7910. First we will calculate the prime factors of 7908 and 7910.
Prime Factorization of 7908
2 | 7908 |
2 | 3954 |
3 | 1977 |
659 | 659 |
1 |
Prime factors of 7908 are 2, 3,659. Prime factorization of 7908 in exponential form is:
7908 = 22×31×6591
Prime Factorization of 7910
2 | 7910 |
5 | 3955 |
7 | 791 |
113 | 113 |
1 |
Prime factors of 7910 are 2, 5, 7,113. Prime factorization of 7910 in exponential form is:
7910 = 21×51×71×1131
Now multiplying the highest exponent prime factors to calculate the LCM of 7908 and 7910.
LCM(7908,7910) = 22×31×51×71×1131×6591
LCM(7908,7910) = 31276140
Factors of 7908
List of positive integer factors of 7908 that divides 7908 without a remainder.
1, 2, 3, 4, 6, 12, 659, 1318, 1977, 2636, 3954, 7908
Factors of 7910
List of positive integer factors of 7910 that divides 7910 without a remainder.
1, 2, 5, 7, 10, 14, 35, 70, 113, 226, 565, 791, 1130, 1582, 3955, 7910
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7908 and 7910, than apply into the LCM equation.
GCF(7908,7910) = 2
LCM(7908,7910) = ( 7908 × 7910) / 2
LCM(7908,7910) = 62552280 / 2
LCM(7908,7910) = 31276140
(i) The LCM of 7910 and 7908 is associative
LCM of 7908 and 7910 = LCM of 7910 and 7908
1. What is the LCM of 7908 and 7910?
Answer: LCM of 7908 and 7910 is 31276140.
2. What are the Factors of 7908?
Answer: Factors of 7908 are 1, 2, 3, 4, 6, 12, 659, 1318, 1977, 2636, 3954, 7908. There are 12 integers that are factors of 7908. The greatest factor of 7908 is 7908.
3. What are the Factors of 7910?
Answer: Factors of 7910 are 1, 2, 5, 7, 10, 14, 35, 70, 113, 226, 565, 791, 1130, 1582, 3955, 7910. There are 16 integers that are factors of 7910. The greatest factor of 7910 is 7910.
4. How to Find the LCM of 7908 and 7910?
Answer:
Least Common Multiple of 7908 and 7910 = 31276140
Step 1: Find the prime factorization of 7908
7908 = 2 x 2 x 3 x 659
Step 2: Find the prime factorization of 7910
7910 = 2 x 5 x 7 x 113
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 31276140 = 2 x 2 x 3 x 5 x 7 x 113 x 659
Step 4: Therefore, the least common multiple of 7908 and 7910 is 31276140.