What is the Least Common Multiple of 618 and 633?
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 618 and 633 is 130398.
LCM(618,633) = 130398
Least Common Multiple of 618 and 633 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 618 and 633, than apply into the LCM equation.
GCF(618,633) = 3
LCM(618,633) = ( 618 × 633) / 3
LCM(618,633) = 391194 / 3
LCM(618,633) = 130398
Least Common Multiple (LCM) of 618 and 633 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 618 and 633. First we will calculate the prime factors of 618 and 633.
Prime Factorization of 618
Prime factors of 618 are 2, 3, 103. Prime factorization of 618 in exponential form is:
618 = 21 × 31 × 1031
Prime Factorization of 633
Prime factors of 633 are 3, 211. Prime factorization of 633 in exponential form is:
633 = 31 × 2111
Now multiplying the highest exponent prime factors to calculate the LCM of 618 and 633.
LCM(618,633) = 21 × 31 × 1031 × 2111
LCM(618,633) = 130398
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