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What is the Least Common Multiple of 40603 and 40618?

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 40603 and 40618 is 1649212654.

LCM(40603,40618) = 1649212654

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Least Common Multiple of 40603 and 40618 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40603 and 40618, than apply into the LCM equation.

GCF(40603,40618) = 1
LCM(40603,40618) = ( 40603 × 40618) / 1
LCM(40603,40618) = 1649212654 / 1
LCM(40603,40618) = 1649212654

Least Common Multiple (LCM) of 40603 and 40618 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40603 and 40618. First we will calculate the prime factors of 40603 and 40618.

Prime Factorization of 40603

Prime factors of 40603 are 19, 2137. Prime factorization of 40603 in exponential form is:

40603 = 191 × 21371

Prime Factorization of 40618

Prime factors of 40618 are 2, 23, 883. Prime factorization of 40618 in exponential form is:

40618 = 21 × 231 × 8831

Now multiplying the highest exponent prime factors to calculate the LCM of 40603 and 40618.

LCM(40603,40618) = 191 × 21371 × 21 × 231 × 8831
LCM(40603,40618) = 1649212654