Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7657 and 7664 the smallest integer that is 58683248 that is divisible by both numbers.
Least Common Multiple (LCM) of 7657 and 7664 is 58683248.
LCM(7657,7664) = 58683248
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 7657 and 7664. First we will calculate the prime factors of 7657 and 7664.
Prime Factorization of 7657
13 | 7657 |
19 | 589 |
31 | 31 |
1 |
Prime factors of 7657 are 13, 19,31. Prime factorization of 7657 in exponential form is:
7657 = 131×191×311
Prime Factorization of 7664
2 | 7664 |
2 | 3832 |
2 | 1916 |
2 | 958 |
479 | 479 |
1 |
Prime factors of 7664 are 2,479. Prime factorization of 7664 in exponential form is:
7664 = 24×4791
Now multiplying the highest exponent prime factors to calculate the LCM of 7657 and 7664.
LCM(7657,7664) = 24×131×191×311×4791
LCM(7657,7664) = 58683248
Factors of 7657
List of positive integer factors of 7657 that divides 7657 without a remainder.
1, 13, 19, 31, 247, 403, 589, 7657
Factors of 7664
List of positive integer factors of 7664 that divides 7664 without a remainder.
1, 2, 4, 8, 16, 479, 958, 1916, 3832, 7664
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7657 and 7664, than apply into the LCM equation.
GCF(7657,7664) = 1
LCM(7657,7664) = ( 7657 × 7664) / 1
LCM(7657,7664) = 58683248 / 1
LCM(7657,7664) = 58683248
(i) The LCM of 7664 and 7657 is associative
LCM of 7657 and 7664 = LCM of 7664 and 7657
1. What is the LCM of 7657 and 7664?
Answer: LCM of 7657 and 7664 is 58683248.
2. What are the Factors of 7657?
Answer: Factors of 7657 are 1, 13, 19, 31, 247, 403, 589, 7657. There are 8 integers that are factors of 7657. The greatest factor of 7657 is 7657.
3. What are the Factors of 7664?
Answer: Factors of 7664 are 1, 2, 4, 8, 16, 479, 958, 1916, 3832, 7664. There are 10 integers that are factors of 7664. The greatest factor of 7664 is 7664.
4. How to Find the LCM of 7657 and 7664?
Answer:
Least Common Multiple of 7657 and 7664 = 58683248
Step 1: Find the prime factorization of 7657
7657 = 13 x 19 x 31
Step 2: Find the prime factorization of 7664
7664 = 2 x 2 x 2 x 2 x 479
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 58683248 = 2 x 2 x 2 x 2 x 13 x 19 x 31 x 479
Step 4: Therefore, the least common multiple of 7657 and 7664 is 58683248.