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What is the Least Common Multiple of 40287 and 40300?

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 40287 and 40300 is 124889700.

LCM(40287,40300) = 124889700

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Least Common Multiple of 40287 and 40300 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40287 and 40300, than apply into the LCM equation.

GCF(40287,40300) = 13
LCM(40287,40300) = ( 40287 × 40300) / 13
LCM(40287,40300) = 1623566100 / 13
LCM(40287,40300) = 124889700

Least Common Multiple (LCM) of 40287 and 40300 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40287 and 40300. First we will calculate the prime factors of 40287 and 40300.

Prime Factorization of 40287

Prime factors of 40287 are 3, 13, 1033. Prime factorization of 40287 in exponential form is:

40287 = 31 × 131 × 10331

Prime Factorization of 40300

Prime factors of 40300 are 2, 5, 13, 31. Prime factorization of 40300 in exponential form is:

40300 = 22 × 52 × 131 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 40287 and 40300.

LCM(40287,40300) = 31 × 131 × 10331 × 22 × 52 × 311
LCM(40287,40300) = 124889700