What is the Least Common Multiple of 20411 and 20428?
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 20411 and 20428 is 416955908.
LCM(20411,20428) = 416955908
Least Common Multiple of 20411 and 20428 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20411 and 20428, than apply into the LCM equation.
GCF(20411,20428) = 1
LCM(20411,20428) = ( 20411 × 20428) / 1
LCM(20411,20428) = 416955908 / 1
LCM(20411,20428) = 416955908
Least Common Multiple (LCM) of 20411 and 20428 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 20411 and 20428. First we will calculate the prime factors of 20411 and 20428.
Prime Factorization of 20411
Prime factors of 20411 are 20411. Prime factorization of 20411 in exponential form is:
20411 = 204111
Prime Factorization of 20428
Prime factors of 20428 are 2, 5107. Prime factorization of 20428 in exponential form is:
20428 = 22 × 51071
Now multiplying the highest exponent prime factors to calculate the LCM of 20411 and 20428.
LCM(20411,20428) = 204111 × 22 × 51071
LCM(20411,20428) = 416955908
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