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What is the Least Common Multiple of 39459 and 39478?

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 39459 and 39478 is 1557762402.

LCM(39459,39478) = 1557762402

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Least Common Multiple of 39459 and 39478 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39459 and 39478, than apply into the LCM equation.

GCF(39459,39478) = 1
LCM(39459,39478) = ( 39459 × 39478) / 1
LCM(39459,39478) = 1557762402 / 1
LCM(39459,39478) = 1557762402

Least Common Multiple (LCM) of 39459 and 39478 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39459 and 39478. First we will calculate the prime factors of 39459 and 39478.

Prime Factorization of 39459

Prime factors of 39459 are 3, 7, 1879. Prime factorization of 39459 in exponential form is:

39459 = 31 × 71 × 18791

Prime Factorization of 39478

Prime factors of 39478 are 2, 19739. Prime factorization of 39478 in exponential form is:

39478 = 21 × 197391

Now multiplying the highest exponent prime factors to calculate the LCM of 39459 and 39478.

LCM(39459,39478) = 31 × 71 × 18791 × 21 × 197391
LCM(39459,39478) = 1557762402