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What is the Least Common Multiple of 85371 and 85378?

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 85371 and 85378 is 7288805238.

LCM(85371,85378) = 7288805238

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Least Common Multiple of 85371 and 85378 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85371 and 85378, than apply into the LCM equation.

GCF(85371,85378) = 1
LCM(85371,85378) = ( 85371 × 85378) / 1
LCM(85371,85378) = 7288805238 / 1
LCM(85371,85378) = 7288805238

Least Common Multiple (LCM) of 85371 and 85378 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85371 and 85378. First we will calculate the prime factors of 85371 and 85378.

Prime Factorization of 85371

Prime factors of 85371 are 3, 11, 13, 199. Prime factorization of 85371 in exponential form is:

85371 = 31 × 111 × 131 × 1991

Prime Factorization of 85378

Prime factors of 85378 are 2, 42689. Prime factorization of 85378 in exponential form is:

85378 = 21 × 426891

Now multiplying the highest exponent prime factors to calculate the LCM of 85371 and 85378.

LCM(85371,85378) = 31 × 111 × 131 × 1991 × 21 × 426891
LCM(85371,85378) = 7288805238