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What is the Least Common Multiple of 81545 and 81549?

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 81545 and 81549 is 6649913205.

LCM(81545,81549) = 6649913205

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Least Common Multiple of 81545 and 81549 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81545 and 81549, than apply into the LCM equation.

GCF(81545,81549) = 1
LCM(81545,81549) = ( 81545 × 81549) / 1
LCM(81545,81549) = 6649913205 / 1
LCM(81545,81549) = 6649913205

Least Common Multiple (LCM) of 81545 and 81549 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81545 and 81549. First we will calculate the prime factors of 81545 and 81549.

Prime Factorization of 81545

Prime factors of 81545 are 5, 47, 347. Prime factorization of 81545 in exponential form is:

81545 = 51 × 471 × 3471

Prime Factorization of 81549

Prime factors of 81549 are 3, 13, 17, 41. Prime factorization of 81549 in exponential form is:

81549 = 32 × 131 × 171 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 81545 and 81549.

LCM(81545,81549) = 51 × 471 × 3471 × 32 × 131 × 171 × 411
LCM(81545,81549) = 6649913205