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What is the Least Common Multiple of 64471 and 64491?

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 64471 and 64491 is 4157799261.

LCM(64471,64491) = 4157799261

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Least Common Multiple of 64471 and 64491 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64471 and 64491, than apply into the LCM equation.

GCF(64471,64491) = 1
LCM(64471,64491) = ( 64471 × 64491) / 1
LCM(64471,64491) = 4157799261 / 1
LCM(64471,64491) = 4157799261

Least Common Multiple (LCM) of 64471 and 64491 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64471 and 64491. First we will calculate the prime factors of 64471 and 64491.

Prime Factorization of 64471

Prime factors of 64471 are 11, 5861. Prime factorization of 64471 in exponential form is:

64471 = 111 × 58611

Prime Factorization of 64491

Prime factors of 64491 are 3, 7, 37, 83. Prime factorization of 64491 in exponential form is:

64491 = 31 × 71 × 371 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 64471 and 64491.

LCM(64471,64491) = 111 × 58611 × 31 × 71 × 371 × 831
LCM(64471,64491) = 4157799261