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What is the Least Common Multiple of 64805 and 64824?

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 64805 and 64824 is 4200919320.

LCM(64805,64824) = 4200919320

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Least Common Multiple of 64805 and 64824 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64805 and 64824, than apply into the LCM equation.

GCF(64805,64824) = 1
LCM(64805,64824) = ( 64805 × 64824) / 1
LCM(64805,64824) = 4200919320 / 1
LCM(64805,64824) = 4200919320

Least Common Multiple (LCM) of 64805 and 64824 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64805 and 64824. First we will calculate the prime factors of 64805 and 64824.

Prime Factorization of 64805

Prime factors of 64805 are 5, 13, 997. Prime factorization of 64805 in exponential form is:

64805 = 51 × 131 × 9971

Prime Factorization of 64824

Prime factors of 64824 are 2, 3, 37, 73. Prime factorization of 64824 in exponential form is:

64824 = 23 × 31 × 371 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 64805 and 64824.

LCM(64805,64824) = 51 × 131 × 9971 × 23 × 31 × 371 × 731
LCM(64805,64824) = 4200919320