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What is the Least Common Multiple of 91618 and 91636?

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 91618 and 91636 is 4197753524.

LCM(91618,91636) = 4197753524

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Least Common Multiple of 91618 and 91636 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91618 and 91636, than apply into the LCM equation.

GCF(91618,91636) = 2
LCM(91618,91636) = ( 91618 × 91636) / 2
LCM(91618,91636) = 8395507048 / 2
LCM(91618,91636) = 4197753524

Least Common Multiple (LCM) of 91618 and 91636 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91618 and 91636. First we will calculate the prime factors of 91618 and 91636.

Prime Factorization of 91618

Prime factors of 91618 are 2, 19, 2411. Prime factorization of 91618 in exponential form is:

91618 = 21 × 191 × 24111

Prime Factorization of 91636

Prime factors of 91636 are 2, 31, 739. Prime factorization of 91636 in exponential form is:

91636 = 22 × 311 × 7391

Now multiplying the highest exponent prime factors to calculate the LCM of 91618 and 91636.

LCM(91618,91636) = 22 × 191 × 24111 × 311 × 7391
LCM(91618,91636) = 4197753524