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What is the Least Common Multiple of 64830 and 64836?

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 64830 and 64836 is 700552980.

LCM(64830,64836) = 700552980

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Least Common Multiple of 64830 and 64836 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64830 and 64836, than apply into the LCM equation.

GCF(64830,64836) = 6
LCM(64830,64836) = ( 64830 × 64836) / 6
LCM(64830,64836) = 4203317880 / 6
LCM(64830,64836) = 700552980

Least Common Multiple (LCM) of 64830 and 64836 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64830 and 64836. First we will calculate the prime factors of 64830 and 64836.

Prime Factorization of 64830

Prime factors of 64830 are 2, 3, 5, 2161. Prime factorization of 64830 in exponential form is:

64830 = 21 × 31 × 51 × 21611

Prime Factorization of 64836

Prime factors of 64836 are 2, 3, 1801. Prime factorization of 64836 in exponential form is:

64836 = 22 × 32 × 18011

Now multiplying the highest exponent prime factors to calculate the LCM of 64830 and 64836.

LCM(64830,64836) = 22 × 32 × 51 × 21611 × 18011
LCM(64830,64836) = 700552980