Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8218 and 8220 the smallest integer that is 33775980 that is divisible by both numbers.
Least Common Multiple (LCM) of 8218 and 8220 is 33775980.
LCM(8218,8220) = 33775980
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 8218 and 8220. First we will calculate the prime factors of 8218 and 8220.
Prime Factorization of 8218
2 | 8218 |
7 | 4109 |
587 | 587 |
1 |
Prime factors of 8218 are 2, 7,587. Prime factorization of 8218 in exponential form is:
8218 = 21×71×5871
Prime Factorization of 8220
2 | 8220 |
2 | 4110 |
3 | 2055 |
5 | 685 |
137 | 137 |
1 |
Prime factors of 8220 are 2, 3, 5,137. Prime factorization of 8220 in exponential form is:
8220 = 22×31×51×1371
Now multiplying the highest exponent prime factors to calculate the LCM of 8218 and 8220.
LCM(8218,8220) = 22×31×51×71×1371×5871
LCM(8218,8220) = 33775980
Factors of 8218
List of positive integer factors of 8218 that divides 8218 without a remainder.
1, 2, 7, 14, 587, 1174, 4109, 8218
Factors of 8220
List of positive integer factors of 8220 that divides 8220 without a remainder.
1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 274, 411, 548, 685, 822, 1370, 1644, 2055, 2740, 4110, 8220
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8218 and 8220, than apply into the LCM equation.
GCF(8218,8220) = 2
LCM(8218,8220) = ( 8218 × 8220) / 2
LCM(8218,8220) = 67551960 / 2
LCM(8218,8220) = 33775980
(i) The LCM of 8220 and 8218 is associative
LCM of 8218 and 8220 = LCM of 8220 and 8218
1. What is the LCM of 8218 and 8220?
Answer: LCM of 8218 and 8220 is 33775980.
2. What are the Factors of 8218?
Answer: Factors of 8218 are 1, 2, 7, 14, 587, 1174, 4109, 8218. There are 8 integers that are factors of 8218. The greatest factor of 8218 is 8218.
3. What are the Factors of 8220?
Answer: Factors of 8220 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 274, 411, 548, 685, 822, 1370, 1644, 2055, 2740, 4110, 8220. There are 24 integers that are factors of 8220. The greatest factor of 8220 is 8220.
4. How to Find the LCM of 8218 and 8220?
Answer:
Least Common Multiple of 8218 and 8220 = 33775980
Step 1: Find the prime factorization of 8218
8218 = 2 x 7 x 587
Step 2: Find the prime factorization of 8220
8220 = 2 x 2 x 3 x 5 x 137
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 33775980 = 2 x 2 x 3 x 5 x 7 x 137 x 587
Step 4: Therefore, the least common multiple of 8218 and 8220 is 33775980.