Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 221861 and 221869 the smallest integer that is 49224078209 that is divisible by both numbers.
Least Common Multiple (LCM) of 221861 and 221869 is 49224078209.
LCM(221861,221869) = 49224078209
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 221861 and 221869. First we will calculate the prime factors of 221861 and 221869.
Prime Factorization of 221861
149 | 221861 |
1489 | 1489 |
1 |
Prime factors of 221861 are 149,1489. Prime factorization of 221861 in exponential form is:
221861 = 1491×14891
Prime Factorization of 221869
127 | 221869 |
1747 | 1747 |
1 |
Prime factors of 221869 are 127,1747. Prime factorization of 221869 in exponential form is:
221869 = 1271×17471
Now multiplying the highest exponent prime factors to calculate the LCM of 221861 and 221869.
LCM(221861,221869) = 1271×1491×14891×17471
LCM(221861,221869) = 49224078209
Factors of 221861
List of positive integer factors of 221861 that divides 221861 without a remainder.
1, 149, 1489, 221861
Factors of 221869
List of positive integer factors of 221869 that divides 221869 without a remainder.
1, 127, 1747, 221869
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 221861 and 221869, than apply into the LCM equation.
GCF(221861,221869) = 1
LCM(221861,221869) = ( 221861 × 221869) / 1
LCM(221861,221869) = 49224078209 / 1
LCM(221861,221869) = 49224078209
(i) The LCM of 221869 and 221861 is associative
LCM of 221861 and 221869 = LCM of 221869 and 221861
1. What is the LCM of 221861 and 221869?
Answer: LCM of 221861 and 221869 is 49224078209.
2. What are the Factors of 221861?
Answer: Factors of 221861 are 1, 149, 1489, 221861. There are 4 integers that are factors of 221861. The greatest factor of 221861 is 221861.
3. What are the Factors of 221869?
Answer: Factors of 221869 are 1, 127, 1747, 221869. There are 4 integers that are factors of 221869. The greatest factor of 221869 is 221869.
4. How to Find the LCM of 221861 and 221869?
Answer:
Least Common Multiple of 221861 and 221869 = 49224078209
Step 1: Find the prime factorization of 221861
221861 = 149 x 1489
Step 2: Find the prime factorization of 221869
221869 = 127 x 1747
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 49224078209 = 127 x 149 x 1489 x 1747
Step 4: Therefore, the least common multiple of 221861 and 221869 is 49224078209.