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What is the Least Common Multiple of 81249 and 81254?

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 81249 and 81254 is 6601806246.

LCM(81249,81254) = 6601806246

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Least Common Multiple of 81249 and 81254 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81249 and 81254, than apply into the LCM equation.

GCF(81249,81254) = 1
LCM(81249,81254) = ( 81249 × 81254) / 1
LCM(81249,81254) = 6601806246 / 1
LCM(81249,81254) = 6601806246

Least Common Multiple (LCM) of 81249 and 81254 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81249 and 81254. First we will calculate the prime factors of 81249 and 81254.

Prime Factorization of 81249

Prime factors of 81249 are 3, 7, 53, 73. Prime factorization of 81249 in exponential form is:

81249 = 31 × 71 × 531 × 731

Prime Factorization of 81254

Prime factors of 81254 are 2, 40627. Prime factorization of 81254 in exponential form is:

81254 = 21 × 406271

Now multiplying the highest exponent prime factors to calculate the LCM of 81249 and 81254.

LCM(81249,81254) = 31 × 71 × 531 × 731 × 21 × 406271
LCM(81249,81254) = 6601806246