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What is the Least Common Multiple of 87545 and 87561?

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 87545 and 87561 is 7665527745.

LCM(87545,87561) = 7665527745

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Least Common Multiple of 87545 and 87561 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87545 and 87561, than apply into the LCM equation.

GCF(87545,87561) = 1
LCM(87545,87561) = ( 87545 × 87561) / 1
LCM(87545,87561) = 7665527745 / 1
LCM(87545,87561) = 7665527745

Least Common Multiple (LCM) of 87545 and 87561 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87545 and 87561. First we will calculate the prime factors of 87545 and 87561.

Prime Factorization of 87545

Prime factors of 87545 are 5, 17509. Prime factorization of 87545 in exponential form is:

87545 = 51 × 175091

Prime Factorization of 87561

Prime factors of 87561 are 3, 23, 47. Prime factorization of 87561 in exponential form is:

87561 = 34 × 231 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 87545 and 87561.

LCM(87545,87561) = 51 × 175091 × 34 × 231 × 471
LCM(87545,87561) = 7665527745