Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 221860 and 221868 the smallest integer that is 12305908620 that is divisible by both numbers.
Least Common Multiple (LCM) of 221860 and 221868 is 12305908620.
LCM(221860,221868) = 12305908620
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 221860 and 221868. First we will calculate the prime factors of 221860 and 221868.
Prime Factorization of 221860
2 | 221860 |
2 | 110930 |
5 | 55465 |
11093 | 11093 |
1 |
Prime factors of 221860 are 2, 5,11093. Prime factorization of 221860 in exponential form is:
221860 = 22×51×110931
Prime Factorization of 221868
2 | 221868 |
2 | 110934 |
3 | 55467 |
3 | 18489 |
6163 | 6163 |
1 |
Prime factors of 221868 are 2, 3,6163. Prime factorization of 221868 in exponential form is:
221868 = 22×32×61631
Now multiplying the highest exponent prime factors to calculate the LCM of 221860 and 221868.
LCM(221860,221868) = 22×32×51×61631×110931
LCM(221860,221868) = 12305908620
Factors of 221860
List of positive integer factors of 221860 that divides 221860 without a remainder.
1, 2, 4, 5, 10, 20, 11093, 22186, 44372, 55465, 110930, 221860
Factors of 221868
List of positive integer factors of 221868 that divides 221868 without a remainder.
1, 2, 3, 4, 6, 9, 12, 18, 36, 6163, 12326, 18489, 24652, 36978, 55467, 73956, 110934, 221868
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 221860 and 221868, than apply into the LCM equation.
GCF(221860,221868) = 4
LCM(221860,221868) = ( 221860 × 221868) / 4
LCM(221860,221868) = 49223634480 / 4
LCM(221860,221868) = 12305908620
(i) The LCM of 221868 and 221860 is associative
LCM of 221860 and 221868 = LCM of 221868 and 221860
1. What is the LCM of 221860 and 221868?
Answer: LCM of 221860 and 221868 is 12305908620.
2. What are the Factors of 221860?
Answer: Factors of 221860 are 1, 2, 4, 5, 10, 20, 11093, 22186, 44372, 55465, 110930, 221860. There are 12 integers that are factors of 221860. The greatest factor of 221860 is 221860.
3. What are the Factors of 221868?
Answer: Factors of 221868 are 1, 2, 3, 4, 6, 9, 12, 18, 36, 6163, 12326, 18489, 24652, 36978, 55467, 73956, 110934, 221868. There are 18 integers that are factors of 221868. The greatest factor of 221868 is 221868.
4. How to Find the LCM of 221860 and 221868?
Answer:
Least Common Multiple of 221860 and 221868 = 12305908620
Step 1: Find the prime factorization of 221860
221860 = 2 x 2 x 5 x 11093
Step 2: Find the prime factorization of 221868
221868 = 2 x 2 x 3 x 3 x 6163
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 12305908620 = 2 x 2 x 3 x 3 x 5 x 6163 x 11093
Step 4: Therefore, the least common multiple of 221860 and 221868 is 12305908620.