What is the Least Common Multiple of 13804 and 13821?
Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.
Least common multiple (LCM) of 13804 and 13821 is 11222652.
LCM(13804,13821) = 11222652
Least Common Multiple of 13804 and 13821 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13804 and 13821, than apply into the LCM equation.
GCF(13804,13821) = 17
LCM(13804,13821) = ( 13804 × 13821) / 17
LCM(13804,13821) = 190785084 / 17
LCM(13804,13821) = 11222652
Least Common Multiple (LCM) of 13804 and 13821 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 13804 and 13821. First we will calculate the prime factors of 13804 and 13821.
Prime Factorization of 13804
Prime factors of 13804 are 2, 7, 17, 29. Prime factorization of 13804 in exponential form is:
13804 = 22 × 71 × 171 × 291
Prime Factorization of 13821
Prime factors of 13821 are 3, 17, 271. Prime factorization of 13821 in exponential form is:
13821 = 31 × 171 × 2711
Now multiplying the highest exponent prime factors to calculate the LCM of 13804 and 13821.
LCM(13804,13821) = 22 × 71 × 171 × 291 × 31 × 2711
LCM(13804,13821) = 11222652
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