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What is the Least Common Multiple of 64855 and 64867?

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 64855 and 64867 is 4206949285.

LCM(64855,64867) = 4206949285

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Least Common Multiple of 64855 and 64867 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64855 and 64867, than apply into the LCM equation.

GCF(64855,64867) = 1
LCM(64855,64867) = ( 64855 × 64867) / 1
LCM(64855,64867) = 4206949285 / 1
LCM(64855,64867) = 4206949285

Least Common Multiple (LCM) of 64855 and 64867 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64855 and 64867. First we will calculate the prime factors of 64855 and 64867.

Prime Factorization of 64855

Prime factors of 64855 are 5, 7, 17, 109. Prime factorization of 64855 in exponential form is:

64855 = 51 × 71 × 171 × 1091

Prime Factorization of 64867

Prime factors of 64867 are 11, 5897. Prime factorization of 64867 in exponential form is:

64867 = 111 × 58971

Now multiplying the highest exponent prime factors to calculate the LCM of 64855 and 64867.

LCM(64855,64867) = 51 × 71 × 171 × 1091 × 111 × 58971
LCM(64855,64867) = 4206949285