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What is the Least Common Multiple of 64457 and 64469?

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 64457 and 64469 is 4155478333.

LCM(64457,64469) = 4155478333

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Least Common Multiple of 64457 and 64469 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64457 and 64469, than apply into the LCM equation.

GCF(64457,64469) = 1
LCM(64457,64469) = ( 64457 × 64469) / 1
LCM(64457,64469) = 4155478333 / 1
LCM(64457,64469) = 4155478333

Least Common Multiple (LCM) of 64457 and 64469 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64457 and 64469. First we will calculate the prime factors of 64457 and 64469.

Prime Factorization of 64457

Prime factors of 64457 are 43, 1499. Prime factorization of 64457 in exponential form is:

64457 = 431 × 14991

Prime Factorization of 64469

Prime factors of 64469 are 23, 2803. Prime factorization of 64469 in exponential form is:

64469 = 231 × 28031

Now multiplying the highest exponent prime factors to calculate the LCM of 64457 and 64469.

LCM(64457,64469) = 431 × 14991 × 231 × 28031
LCM(64457,64469) = 4155478333