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What is the Least Common Multiple of 64906 and 64913?

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 64906 and 64913 is 4213243178.

LCM(64906,64913) = 4213243178

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Least Common Multiple of 64906 and 64913 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64906 and 64913, than apply into the LCM equation.

GCF(64906,64913) = 1
LCM(64906,64913) = ( 64906 × 64913) / 1
LCM(64906,64913) = 4213243178 / 1
LCM(64906,64913) = 4213243178

Least Common Multiple (LCM) of 64906 and 64913 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64906 and 64913. First we will calculate the prime factors of 64906 and 64913.

Prime Factorization of 64906

Prime factors of 64906 are 2, 17, 23, 83. Prime factorization of 64906 in exponential form is:

64906 = 21 × 171 × 231 × 831

Prime Factorization of 64913

Prime factors of 64913 are 139, 467. Prime factorization of 64913 in exponential form is:

64913 = 1391 × 4671

Now multiplying the highest exponent prime factors to calculate the LCM of 64906 and 64913.

LCM(64906,64913) = 21 × 171 × 231 × 831 × 1391 × 4671
LCM(64906,64913) = 4213243178