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What is the Least Common Multiple of 64885 and 64895?

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 64885 and 64895 is 842142415.

LCM(64885,64895) = 842142415

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Least Common Multiple of 64885 and 64895 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64885 and 64895, than apply into the LCM equation.

GCF(64885,64895) = 5
LCM(64885,64895) = ( 64885 × 64895) / 5
LCM(64885,64895) = 4210712075 / 5
LCM(64885,64895) = 842142415

Least Common Multiple (LCM) of 64885 and 64895 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64885 and 64895. First we will calculate the prime factors of 64885 and 64895.

Prime Factorization of 64885

Prime factors of 64885 are 5, 19, 683. Prime factorization of 64885 in exponential form is:

64885 = 51 × 191 × 6831

Prime Factorization of 64895

Prime factors of 64895 are 5, 12979. Prime factorization of 64895 in exponential form is:

64895 = 51 × 129791

Now multiplying the highest exponent prime factors to calculate the LCM of 64885 and 64895.

LCM(64885,64895) = 51 × 191 × 6831 × 129791
LCM(64885,64895) = 842142415