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What is the Least Common Multiple of 85340 and 85346?

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 85340 and 85346 is 3641713820.

LCM(85340,85346) = 3641713820

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Least Common Multiple of 85340 and 85346 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85340 and 85346, than apply into the LCM equation.

GCF(85340,85346) = 2
LCM(85340,85346) = ( 85340 × 85346) / 2
LCM(85340,85346) = 7283427640 / 2
LCM(85340,85346) = 3641713820

Least Common Multiple (LCM) of 85340 and 85346 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85340 and 85346. First we will calculate the prime factors of 85340 and 85346.

Prime Factorization of 85340

Prime factors of 85340 are 2, 5, 17, 251. Prime factorization of 85340 in exponential form is:

85340 = 22 × 51 × 171 × 2511

Prime Factorization of 85346

Prime factors of 85346 are 2, 139, 307. Prime factorization of 85346 in exponential form is:

85346 = 21 × 1391 × 3071

Now multiplying the highest exponent prime factors to calculate the LCM of 85340 and 85346.

LCM(85340,85346) = 22 × 51 × 171 × 2511 × 1391 × 3071
LCM(85340,85346) = 3641713820