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What is the Least Common Multiple of 53605 and 53618?

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 53605 and 53618 is 2874192890.

LCM(53605,53618) = 2874192890

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Least Common Multiple of 53605 and 53618 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 53605 and 53618, than apply into the LCM equation.

GCF(53605,53618) = 1
LCM(53605,53618) = ( 53605 × 53618) / 1
LCM(53605,53618) = 2874192890 / 1
LCM(53605,53618) = 2874192890

Least Common Multiple (LCM) of 53605 and 53618 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 53605 and 53618. First we will calculate the prime factors of 53605 and 53618.

Prime Factorization of 53605

Prime factors of 53605 are 5, 71, 151. Prime factorization of 53605 in exponential form is:

53605 = 51 × 711 × 1511

Prime Factorization of 53618

Prime factors of 53618 are 2, 17, 19, 83. Prime factorization of 53618 in exponential form is:

53618 = 21 × 171 × 191 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 53605 and 53618.

LCM(53605,53618) = 51 × 711 × 1511 × 21 × 171 × 191 × 831
LCM(53605,53618) = 2874192890