What is the Least Common Multiple of 622 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 622 and 629 is 391238.
LCM(622,629) = 391238
Least Common Multiple of 622 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 622 and 629, than apply into the LCM equation.
GCF(622,629) = 1
LCM(622,629) = ( 622 × 629) / 1
LCM(622,629) = 391238 / 1
LCM(622,629) = 391238
Least Common Multiple (LCM) of 622 and 629 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 622 and 629. First we will calculate the prime factors of 622 and 629.
Prime Factorization of 622
Prime factors of 622 are 2, 311. Prime factorization of 622 in exponential form is:
622 = 21 × 3111
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 622 and 629.
LCM(622,629) = 21 × 3111 × 171 × 371
LCM(622,629) = 391238
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