What is the Least Common Multiple of 627 and 631?
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 627 and 631 is 395637.
LCM(627,631) = 395637
Least Common Multiple of 627 and 631 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 627 and 631, than apply into the LCM equation.
GCF(627,631) = 1
LCM(627,631) = ( 627 × 631) / 1
LCM(627,631) = 395637 / 1
LCM(627,631) = 395637
Least Common Multiple (LCM) of 627 and 631 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 627 and 631. First we will calculate the prime factors of 627 and 631.
Prime Factorization of 627
Prime factors of 627 are 3, 11, 19. Prime factorization of 627 in exponential form is:
627 = 31 × 111 × 191
Prime Factorization of 631
Prime factors of 631 are 631. Prime factorization of 631 in exponential form is:
631 = 6311
Now multiplying the highest exponent prime factors to calculate the LCM of 627 and 631.
LCM(627,631) = 31 × 111 × 191 × 6311
LCM(627,631) = 395637
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