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What is the Least Common Multiple of 81462 and 81473?

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 81462 and 81473 is 6636953526.

LCM(81462,81473) = 6636953526

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Least Common Multiple of 81462 and 81473 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81462 and 81473, than apply into the LCM equation.

GCF(81462,81473) = 1
LCM(81462,81473) = ( 81462 × 81473) / 1
LCM(81462,81473) = 6636953526 / 1
LCM(81462,81473) = 6636953526

Least Common Multiple (LCM) of 81462 and 81473 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81462 and 81473. First we will calculate the prime factors of 81462 and 81473.

Prime Factorization of 81462

Prime factors of 81462 are 2, 3, 13577. Prime factorization of 81462 in exponential form is:

81462 = 21 × 31 × 135771

Prime Factorization of 81473

Prime factors of 81473 are 7, 103, 113. Prime factorization of 81473 in exponential form is:

81473 = 71 × 1031 × 1131

Now multiplying the highest exponent prime factors to calculate the LCM of 81462 and 81473.

LCM(81462,81473) = 21 × 31 × 135771 × 71 × 1031 × 1131
LCM(81462,81473) = 6636953526