What is the Least Common Multiple of 66643 and 66656?
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 66643 and 66656 is 4442155808.
LCM(66643,66656) = 4442155808
Least Common Multiple of 66643 and 66656 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66643 and 66656, than apply into the LCM equation.
GCF(66643,66656) = 1
LCM(66643,66656) = ( 66643 × 66656) / 1
LCM(66643,66656) = 4442155808 / 1
LCM(66643,66656) = 4442155808
Least Common Multiple (LCM) of 66643 and 66656 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 66643 and 66656. First we will calculate the prime factors of 66643 and 66656.
Prime Factorization of 66643
Prime factors of 66643 are 66643. Prime factorization of 66643 in exponential form is:
66643 = 666431
Prime Factorization of 66656
Prime factors of 66656 are 2, 2083. Prime factorization of 66656 in exponential form is:
66656 = 25 × 20831
Now multiplying the highest exponent prime factors to calculate the LCM of 66643 and 66656.
LCM(66643,66656) = 666431 × 25 × 20831
LCM(66643,66656) = 4442155808
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