Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7648 and 7655 the smallest integer that is 58545440 that is divisible by both numbers.
Least Common Multiple (LCM) of 7648 and 7655 is 58545440.
LCM(7648,7655) = 58545440
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 7648 and 7655. First we will calculate the prime factors of 7648 and 7655.
Prime Factorization of 7648
2 | 7648 |
2 | 3824 |
2 | 1912 |
2 | 956 |
2 | 478 |
239 | 239 |
1 |
Prime factors of 7648 are 2,239. Prime factorization of 7648 in exponential form is:
7648 = 25×2391
Prime Factorization of 7655
5 | 7655 |
1531 | 1531 |
1 |
Prime factors of 7655 are 5,1531. Prime factorization of 7655 in exponential form is:
7655 = 51×15311
Now multiplying the highest exponent prime factors to calculate the LCM of 7648 and 7655.
LCM(7648,7655) = 25×51×2391×15311
LCM(7648,7655) = 58545440
Factors of 7648
List of positive integer factors of 7648 that divides 7648 without a remainder.
1, 2, 4, 8, 16, 32, 239, 478, 956, 1912, 3824, 7648
Factors of 7655
List of positive integer factors of 7655 that divides 7655 without a remainder.
1, 5, 1531, 7655
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7648 and 7655, than apply into the LCM equation.
GCF(7648,7655) = 1
LCM(7648,7655) = ( 7648 × 7655) / 1
LCM(7648,7655) = 58545440 / 1
LCM(7648,7655) = 58545440
(i) The LCM of 7655 and 7648 is associative
LCM of 7648 and 7655 = LCM of 7655 and 7648
1. What is the LCM of 7648 and 7655?
Answer: LCM of 7648 and 7655 is 58545440.
2. What are the Factors of 7648?
Answer: Factors of 7648 are 1, 2, 4, 8, 16, 32, 239, 478, 956, 1912, 3824, 7648. There are 12 integers that are factors of 7648. The greatest factor of 7648 is 7648.
3. What are the Factors of 7655?
Answer: Factors of 7655 are 1, 5, 1531, 7655. There are 4 integers that are factors of 7655. The greatest factor of 7655 is 7655.
4. How to Find the LCM of 7648 and 7655?
Answer:
Least Common Multiple of 7648 and 7655 = 58545440
Step 1: Find the prime factorization of 7648
7648 = 2 x 2 x 2 x 2 x 2 x 239
Step 2: Find the prime factorization of 7655
7655 = 5 x 1531
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 58545440 = 2 x 2 x 2 x 2 x 2 x 5 x 239 x 1531
Step 4: Therefore, the least common multiple of 7648 and 7655 is 58545440.