Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8724 and 8728 the smallest integer that is 19035768 that is divisible by both numbers.
Least Common Multiple (LCM) of 8724 and 8728 is 19035768.
LCM(8724,8728) = 19035768
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 8724 and 8728. First we will calculate the prime factors of 8724 and 8728.
Prime Factorization of 8724
2 | 8724 |
2 | 4362 |
3 | 2181 |
727 | 727 |
1 |
Prime factors of 8724 are 2, 3,727. Prime factorization of 8724 in exponential form is:
8724 = 22×31×7271
Prime Factorization of 8728
2 | 8728 |
2 | 4364 |
2 | 2182 |
1091 | 1091 |
1 |
Prime factors of 8728 are 2,1091. Prime factorization of 8728 in exponential form is:
8728 = 23×10911
Now multiplying the highest exponent prime factors to calculate the LCM of 8724 and 8728.
LCM(8724,8728) = 23×31×7271×10911
LCM(8724,8728) = 19035768
Factors of 8724
List of positive integer factors of 8724 that divides 8724 without a remainder.
1, 2, 3, 4, 6, 12, 727, 1454, 2181, 2908, 4362, 8724
Factors of 8728
List of positive integer factors of 8728 that divides 8728 without a remainder.
1, 2, 4, 8, 1091, 2182, 4364, 8728
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8724 and 8728, than apply into the LCM equation.
GCF(8724,8728) = 4
LCM(8724,8728) = ( 8724 × 8728) / 4
LCM(8724,8728) = 76143072 / 4
LCM(8724,8728) = 19035768
(i) The LCM of 8728 and 8724 is associative
LCM of 8724 and 8728 = LCM of 8728 and 8724
1. What is the LCM of 8724 and 8728?
Answer: LCM of 8724 and 8728 is 19035768.
2. What are the Factors of 8724?
Answer: Factors of 8724 are 1, 2, 3, 4, 6, 12, 727, 1454, 2181, 2908, 4362, 8724. There are 12 integers that are factors of 8724. The greatest factor of 8724 is 8724.
3. What are the Factors of 8728?
Answer: Factors of 8728 are 1, 2, 4, 8, 1091, 2182, 4364, 8728. There are 8 integers that are factors of 8728. The greatest factor of 8728 is 8728.
4. How to Find the LCM of 8724 and 8728?
Answer:
Least Common Multiple of 8724 and 8728 = 19035768
Step 1: Find the prime factorization of 8724
8724 = 2 x 2 x 3 x 727
Step 2: Find the prime factorization of 8728
8728 = 2 x 2 x 2 x 1091
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 19035768 = 2 x 2 x 2 x 3 x 727 x 1091
Step 4: Therefore, the least common multiple of 8724 and 8728 is 19035768.