What is the Least Common Multiple of 619 and 629?
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 629 is 389351.
LCM(619,629) = 389351
Least Common Multiple of 619 and 629 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 629, than apply into the LCM equation.
GCF(619,629) = 1
LCM(619,629) = ( 619 × 629) / 1
LCM(619,629) = 389351 / 1
LCM(619,629) = 389351
Least Common Multiple (LCM) of 619 and 629 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 619 and 629. First we will calculate the prime factors of 619 and 629.
Prime Factorization of 619
Prime factors of 619 are 619. Prime factorization of 619 in exponential form is:
619 = 6191
Prime Factorization of 629
Prime factors of 629 are 17, 37. Prime factorization of 629 in exponential form is:
629 = 171 × 371
Now multiplying the highest exponent prime factors to calculate the LCM of 619 and 629.
LCM(619,629) = 6191 × 171 × 371
LCM(619,629) = 389351
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