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What is the Least Common Multiple of 64989 and 65007?

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 64989 and 65007 is 469415547.

LCM(64989,65007) = 469415547

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Least Common Multiple of 64989 and 65007 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64989 and 65007, than apply into the LCM equation.

GCF(64989,65007) = 9
LCM(64989,65007) = ( 64989 × 65007) / 9
LCM(64989,65007) = 4224739923 / 9
LCM(64989,65007) = 469415547

Least Common Multiple (LCM) of 64989 and 65007 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64989 and 65007. First we will calculate the prime factors of 64989 and 65007.

Prime Factorization of 64989

Prime factors of 64989 are 3, 29, 83. Prime factorization of 64989 in exponential form is:

64989 = 33 × 291 × 831

Prime Factorization of 65007

Prime factors of 65007 are 3, 31, 233. Prime factorization of 65007 in exponential form is:

65007 = 32 × 311 × 2331

Now multiplying the highest exponent prime factors to calculate the LCM of 64989 and 65007.

LCM(64989,65007) = 33 × 291 × 831 × 311 × 2331
LCM(64989,65007) = 469415547