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What is the Least Common Multiple of 85397 and 85415?

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 85397 and 85415 is 7294184755.

LCM(85397,85415) = 7294184755

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Least Common Multiple of 85397 and 85415 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85397 and 85415, than apply into the LCM equation.

GCF(85397,85415) = 1
LCM(85397,85415) = ( 85397 × 85415) / 1
LCM(85397,85415) = 7294184755 / 1
LCM(85397,85415) = 7294184755

Least Common Multiple (LCM) of 85397 and 85415 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85397 and 85415. First we will calculate the prime factors of 85397 and 85415.

Prime Factorization of 85397

Prime factors of 85397 are 13, 6569. Prime factorization of 85397 in exponential form is:

85397 = 131 × 65691

Prime Factorization of 85415

Prime factors of 85415 are 5, 11, 1553. Prime factorization of 85415 in exponential form is:

85415 = 51 × 111 × 15531

Now multiplying the highest exponent prime factors to calculate the LCM of 85397 and 85415.

LCM(85397,85415) = 131 × 65691 × 51 × 111 × 15531
LCM(85397,85415) = 7294184755