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What is the Least Common Multiple of 85540 and 85547?

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 85540 and 85547 is 1045384340.

LCM(85540,85547) = 1045384340

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Least Common Multiple of 85540 and 85547 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85540 and 85547, than apply into the LCM equation.

GCF(85540,85547) = 7
LCM(85540,85547) = ( 85540 × 85547) / 7
LCM(85540,85547) = 7317690380 / 7
LCM(85540,85547) = 1045384340

Least Common Multiple (LCM) of 85540 and 85547 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85540 and 85547. First we will calculate the prime factors of 85540 and 85547.

Prime Factorization of 85540

Prime factors of 85540 are 2, 5, 7, 13, 47. Prime factorization of 85540 in exponential form is:

85540 = 22 × 51 × 71 × 131 × 471

Prime Factorization of 85547

Prime factors of 85547 are 7, 11, 101. Prime factorization of 85547 in exponential form is:

85547 = 71 × 112 × 1011

Now multiplying the highest exponent prime factors to calculate the LCM of 85540 and 85547.

LCM(85540,85547) = 22 × 51 × 71 × 131 × 471 × 112 × 1011
LCM(85540,85547) = 1045384340