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What is the Least Common Multiple of 38270 and 38278?

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 38270 and 38278 is 732449530.

LCM(38270,38278) = 732449530

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Least Common Multiple of 38270 and 38278 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38270 and 38278, than apply into the LCM equation.

GCF(38270,38278) = 2
LCM(38270,38278) = ( 38270 × 38278) / 2
LCM(38270,38278) = 1464899060 / 2
LCM(38270,38278) = 732449530

Least Common Multiple (LCM) of 38270 and 38278 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38270 and 38278. First we will calculate the prime factors of 38270 and 38278.

Prime Factorization of 38270

Prime factors of 38270 are 2, 5, 43, 89. Prime factorization of 38270 in exponential form is:

38270 = 21 × 51 × 431 × 891

Prime Factorization of 38278

Prime factors of 38278 are 2, 19139. Prime factorization of 38278 in exponential form is:

38278 = 21 × 191391

Now multiplying the highest exponent prime factors to calculate the LCM of 38270 and 38278.

LCM(38270,38278) = 21 × 51 × 431 × 891 × 191391
LCM(38270,38278) = 732449530