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What is the Least Common Multiple of 81068 and 81087?

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 81068 and 81087 is 6573560916.

LCM(81068,81087) = 6573560916

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Least Common Multiple of 81068 and 81087 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81068 and 81087, than apply into the LCM equation.

GCF(81068,81087) = 1
LCM(81068,81087) = ( 81068 × 81087) / 1
LCM(81068,81087) = 6573560916 / 1
LCM(81068,81087) = 6573560916

Least Common Multiple (LCM) of 81068 and 81087 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81068 and 81087. First we will calculate the prime factors of 81068 and 81087.

Prime Factorization of 81068

Prime factors of 81068 are 2, 13, 1559. Prime factorization of 81068 in exponential form is:

81068 = 22 × 131 × 15591

Prime Factorization of 81087

Prime factors of 81087 are 3, 151, 179. Prime factorization of 81087 in exponential form is:

81087 = 31 × 1511 × 1791

Now multiplying the highest exponent prime factors to calculate the LCM of 81068 and 81087.

LCM(81068,81087) = 22 × 131 × 15591 × 31 × 1511 × 1791
LCM(81068,81087) = 6573560916