What is the Least Common Multiple of 619 and 623?
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 619 and 623 is 385637.
LCM(619,623) = 385637
Least Common Multiple of 619 and 623 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 619 and 623, than apply into the LCM equation.
GCF(619,623) = 1
LCM(619,623) = ( 619 × 623) / 1
LCM(619,623) = 385637 / 1
LCM(619,623) = 385637
Least Common Multiple (LCM) of 619 and 623 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 619 and 623. First we will calculate the prime factors of 619 and 623.
Prime Factorization of 619
Prime factors of 619 are 619. Prime factorization of 619 in exponential form is:
619 = 6191
Prime Factorization of 623
Prime factors of 623 are 7, 89. Prime factorization of 623 in exponential form is:
623 = 71 × 891
Now multiplying the highest exponent prime factors to calculate the LCM of 619 and 623.
LCM(619,623) = 6191 × 71 × 891
LCM(619,623) = 385637
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