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What is the Least Common Multiple of 64409 and 64415?

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 64409 and 64415 is 4148905735.

LCM(64409,64415) = 4148905735

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Least Common Multiple of 64409 and 64415 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64409 and 64415, than apply into the LCM equation.

GCF(64409,64415) = 1
LCM(64409,64415) = ( 64409 × 64415) / 1
LCM(64409,64415) = 4148905735 / 1
LCM(64409,64415) = 4148905735

Least Common Multiple (LCM) of 64409 and 64415 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64409 and 64415. First we will calculate the prime factors of 64409 and 64415.

Prime Factorization of 64409

Prime factors of 64409 are 29, 2221. Prime factorization of 64409 in exponential form is:

64409 = 291 × 22211

Prime Factorization of 64415

Prime factors of 64415 are 5, 13, 991. Prime factorization of 64415 in exponential form is:

64415 = 51 × 131 × 9911

Now multiplying the highest exponent prime factors to calculate the LCM of 64409 and 64415.

LCM(64409,64415) = 291 × 22211 × 51 × 131 × 9911
LCM(64409,64415) = 4148905735