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What is the Least Common Multiple of 19545 and 19558?

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 19545 and 19558 is 382261110.

LCM(19545,19558) = 382261110

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Least Common Multiple of 19545 and 19558 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19545 and 19558, than apply into the LCM equation.

GCF(19545,19558) = 1
LCM(19545,19558) = ( 19545 × 19558) / 1
LCM(19545,19558) = 382261110 / 1
LCM(19545,19558) = 382261110

Least Common Multiple (LCM) of 19545 and 19558 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19545 and 19558. First we will calculate the prime factors of 19545 and 19558.

Prime Factorization of 19545

Prime factors of 19545 are 3, 5, 1303. Prime factorization of 19545 in exponential form is:

19545 = 31 × 51 × 13031

Prime Factorization of 19558

Prime factors of 19558 are 2, 7, 11, 127. Prime factorization of 19558 in exponential form is:

19558 = 21 × 71 × 111 × 1271

Now multiplying the highest exponent prime factors to calculate the LCM of 19545 and 19558.

LCM(19545,19558) = 31 × 51 × 13031 × 21 × 71 × 111 × 1271
LCM(19545,19558) = 382261110