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What is the Least Common Multiple of 38668 and 38685?

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 38668 and 38685 is 1495871580.

LCM(38668,38685) = 1495871580

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Least Common Multiple of 38668 and 38685 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38668 and 38685, than apply into the LCM equation.

GCF(38668,38685) = 1
LCM(38668,38685) = ( 38668 × 38685) / 1
LCM(38668,38685) = 1495871580 / 1
LCM(38668,38685) = 1495871580

Least Common Multiple (LCM) of 38668 and 38685 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38668 and 38685. First we will calculate the prime factors of 38668 and 38685.

Prime Factorization of 38668

Prime factors of 38668 are 2, 7, 1381. Prime factorization of 38668 in exponential form is:

38668 = 22 × 71 × 13811

Prime Factorization of 38685

Prime factors of 38685 are 3, 5, 2579. Prime factorization of 38685 in exponential form is:

38685 = 31 × 51 × 25791

Now multiplying the highest exponent prime factors to calculate the LCM of 38668 and 38685.

LCM(38668,38685) = 22 × 71 × 13811 × 31 × 51 × 25791
LCM(38668,38685) = 1495871580