Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 7649 and 7654 the smallest integer that is 58545446 that is divisible by both numbers.
Least Common Multiple (LCM) of 7649 and 7654 is 58545446.
LCM(7649,7654) = 58545446
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 7649 and 7654. First we will calculate the prime factors of 7649 and 7654.
Prime Factorization of 7649
7649 | 7649 |
1 |
Prime factors of 7649 are 7649. Prime factorization of 7649 in exponential form is:
7649 = 76491
Prime Factorization of 7654
2 | 7654 |
43 | 3827 |
89 | 89 |
1 |
Prime factors of 7654 are 2, 43,89. Prime factorization of 7654 in exponential form is:
7654 = 21×431×891
Now multiplying the highest exponent prime factors to calculate the LCM of 7649 and 7654.
LCM(7649,7654) = 21×431×891×76491
LCM(7649,7654) = 58545446
Factors of 7649
List of positive integer factors of 7649 that divides 7649 without a remainder.
1, 7649
Factors of 7654
List of positive integer factors of 7654 that divides 7654 without a remainder.
1, 2, 43, 86, 89, 178, 3827, 7654
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7649 and 7654, than apply into the LCM equation.
GCF(7649,7654) = 1
LCM(7649,7654) = ( 7649 × 7654) / 1
LCM(7649,7654) = 58545446 / 1
LCM(7649,7654) = 58545446
(i) The LCM of 7654 and 7649 is associative
LCM of 7649 and 7654 = LCM of 7654 and 7649
1. What is the LCM of 7649 and 7654?
Answer: LCM of 7649 and 7654 is 58545446.
2. What are the Factors of 7649?
Answer: Factors of 7649 are 1, 7649. There are 2 integers that are factors of 7649. The greatest factor of 7649 is 7649.
3. What are the Factors of 7654?
Answer: Factors of 7654 are 1, 2, 43, 86, 89, 178, 3827, 7654. There are 8 integers that are factors of 7654. The greatest factor of 7654 is 7654.
4. How to Find the LCM of 7649 and 7654?
Answer:
Least Common Multiple of 7649 and 7654 = 58545446
Step 1: Find the prime factorization of 7649
7649 = 7649
Step 2: Find the prime factorization of 7654
7654 = 2 x 43 x 89
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 58545446 = 2 x 43 x 89 x 7649
Step 4: Therefore, the least common multiple of 7649 and 7654 is 58545446.