Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 4040 and 4045 the smallest integer that is 3268360 that is divisible by both numbers.
Least Common Multiple (LCM) of 4040 and 4045 is 3268360.
LCM(4040,4045) = 3268360
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 4040 and 4045. First we will calculate the prime factors of 4040 and 4045.
Prime Factorization of 4040
2 | 4040 |
2 | 2020 |
2 | 1010 |
5 | 505 |
101 | 101 |
1 |
Prime factors of 4040 are 2, 5,101. Prime factorization of 4040 in exponential form is:
4040 = 23×51×1011
Prime Factorization of 4045
5 | 4045 |
809 | 809 |
1 |
Prime factors of 4045 are 5,809. Prime factorization of 4045 in exponential form is:
4045 = 51×8091
Now multiplying the highest exponent prime factors to calculate the LCM of 4040 and 4045.
LCM(4040,4045) = 23×51×1011×8091
LCM(4040,4045) = 3268360
Factors of 4040
List of positive integer factors of 4040 that divides 4040 without a remainder.
1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040
Factors of 4045
List of positive integer factors of 4045 that divides 4045 without a remainder.
1, 5, 809, 4045
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4040 and 4045, than apply into the LCM equation.
GCF(4040,4045) = 5
LCM(4040,4045) = ( 4040 × 4045) / 5
LCM(4040,4045) = 16341800 / 5
LCM(4040,4045) = 3268360
(i) The LCM of 4045 and 4040 is associative
LCM of 4040 and 4045 = LCM of 4045 and 4040
1. What is the LCM of 4040 and 4045?
Answer: LCM of 4040 and 4045 is 3268360.
2. What are the Factors of 4040?
Answer: Factors of 4040 are 1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040. There are 16 integers that are factors of 4040. The greatest factor of 4040 is 4040.
3. What are the Factors of 4045?
Answer: Factors of 4045 are 1, 5, 809, 4045. There are 4 integers that are factors of 4045. The greatest factor of 4045 is 4045.
4. How to Find the LCM of 4040 and 4045?
Answer:
Least Common Multiple of 4040 and 4045 = 3268360
Step 1: Find the prime factorization of 4040
4040 = 2 x 2 x 2 x 5 x 101
Step 2: Find the prime factorization of 4045
4045 = 5 x 809
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 3268360 = 2 x 2 x 2 x 5 x 101 x 809
Step 4: Therefore, the least common multiple of 4040 and 4045 is 3268360.