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What is the Least Common Multiple of 38643 and 38654?

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 38643 and 38654 is 135791502.

LCM(38643,38654) = 135791502

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Least Common Multiple of 38643 and 38654 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38643 and 38654, than apply into the LCM equation.

GCF(38643,38654) = 11
LCM(38643,38654) = ( 38643 × 38654) / 11
LCM(38643,38654) = 1493706522 / 11
LCM(38643,38654) = 135791502

Least Common Multiple (LCM) of 38643 and 38654 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38643 and 38654. First we will calculate the prime factors of 38643 and 38654.

Prime Factorization of 38643

Prime factors of 38643 are 3, 11, 1171. Prime factorization of 38643 in exponential form is:

38643 = 31 × 111 × 11711

Prime Factorization of 38654

Prime factors of 38654 are 2, 7, 11, 251. Prime factorization of 38654 in exponential form is:

38654 = 21 × 71 × 111 × 2511

Now multiplying the highest exponent prime factors to calculate the LCM of 38643 and 38654.

LCM(38643,38654) = 31 × 111 × 11711 × 21 × 71 × 2511
LCM(38643,38654) = 135791502