Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 5639 and 5645 the smallest integer that is 31832155 that is divisible by both numbers.
Least Common Multiple (LCM) of 5639 and 5645 is 31832155.
LCM(5639,5645) = 31832155
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 5639 and 5645. First we will calculate the prime factors of 5639 and 5645.
Prime Factorization of 5639
5639 | 5639 |
1 |
Prime factors of 5639 are 5639. Prime factorization of 5639 in exponential form is:
5639 = 56391
Prime Factorization of 5645
5 | 5645 |
1129 | 1129 |
1 |
Prime factors of 5645 are 5,1129. Prime factorization of 5645 in exponential form is:
5645 = 51×11291
Now multiplying the highest exponent prime factors to calculate the LCM of 5639 and 5645.
LCM(5639,5645) = 51×11291×56391
LCM(5639,5645) = 31832155
Factors of 5639
List of positive integer factors of 5639 that divides 5639 without a remainder.
1, 5639
Factors of 5645
List of positive integer factors of 5645 that divides 5645 without a remainder.
1, 5, 1129, 5645
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5639 and 5645, than apply into the LCM equation.
GCF(5639,5645) = 1
LCM(5639,5645) = ( 5639 × 5645) / 1
LCM(5639,5645) = 31832155 / 1
LCM(5639,5645) = 31832155
(i) The LCM of 5645 and 5639 is associative
LCM of 5639 and 5645 = LCM of 5645 and 5639
1. What is the LCM of 5639 and 5645?
Answer: LCM of 5639 and 5645 is 31832155.
2. What are the Factors of 5639?
Answer: Factors of 5639 are 1, 5639. There are 2 integers that are factors of 5639. The greatest factor of 5639 is 5639.
3. What are the Factors of 5645?
Answer: Factors of 5645 are 1, 5, 1129, 5645. There are 4 integers that are factors of 5645. The greatest factor of 5645 is 5645.
4. How to Find the LCM of 5639 and 5645?
Answer:
Least Common Multiple of 5639 and 5645 = 31832155
Step 1: Find the prime factorization of 5639
5639 = 5639
Step 2: Find the prime factorization of 5645
5645 = 5 x 1129
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 31832155 = 5 x 1129 x 5639
Step 4: Therefore, the least common multiple of 5639 and 5645 is 31832155.