Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2221 and 2228 the smallest integer that is 4948388 that is divisible by both numbers.
Least Common Multiple (LCM) of 2221 and 2228 is 4948388.
LCM(2221,2228) = 4948388
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 2221 and 2228. First we will calculate the prime factors of 2221 and 2228.
Prime Factorization of 2221
2221 | 2221 |
1 |
Prime factors of 2221 are 2221. Prime factorization of 2221 in exponential form is:
2221 = 22211
Prime Factorization of 2228
2 | 2228 |
2 | 1114 |
557 | 557 |
1 |
Prime factors of 2228 are 2,557. Prime factorization of 2228 in exponential form is:
2228 = 22×5571
Now multiplying the highest exponent prime factors to calculate the LCM of 2221 and 2228.
LCM(2221,2228) = 22×5571×22211
LCM(2221,2228) = 4948388
Factors of 2221
List of positive integer factors of 2221 that divides 2221 without a remainder.
1, 2221
Factors of 2228
List of positive integer factors of 2228 that divides 2228 without a remainder.
1, 2, 4, 557, 1114, 2228
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2221 and 2228, than apply into the LCM equation.
GCF(2221,2228) = 1
LCM(2221,2228) = ( 2221 × 2228) / 1
LCM(2221,2228) = 4948388 / 1
LCM(2221,2228) = 4948388
(i) The LCM of 2228 and 2221 is associative
LCM of 2221 and 2228 = LCM of 2228 and 2221
1. What is the LCM of 2221 and 2228?
Answer: LCM of 2221 and 2228 is 4948388.
2. What are the Factors of 2221?
Answer: Factors of 2221 are 1, 2221. There are 2 integers that are factors of 2221. The greatest factor of 2221 is 2221.
3. What are the Factors of 2228?
Answer: Factors of 2228 are 1, 2, 4, 557, 1114, 2228. There are 6 integers that are factors of 2228. The greatest factor of 2228 is 2228.
4. How to Find the LCM of 2221 and 2228?
Answer:
Least Common Multiple of 2221 and 2228 = 4948388
Step 1: Find the prime factorization of 2221
2221 = 2221
Step 2: Find the prime factorization of 2228
2228 = 2 x 2 x 557
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 4948388 = 2 x 2 x 557 x 2221
Step 4: Therefore, the least common multiple of 2221 and 2228 is 4948388.