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What is the Least Common Multiple of 64904 and 64916?

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 64904 and 64916 is 1053327016.

LCM(64904,64916) = 1053327016

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Least Common Multiple of 64904 and 64916 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64904 and 64916, than apply into the LCM equation.

GCF(64904,64916) = 4
LCM(64904,64916) = ( 64904 × 64916) / 4
LCM(64904,64916) = 4213308064 / 4
LCM(64904,64916) = 1053327016

Least Common Multiple (LCM) of 64904 and 64916 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64904 and 64916. First we will calculate the prime factors of 64904 and 64916.

Prime Factorization of 64904

Prime factors of 64904 are 2, 7, 19, 61. Prime factorization of 64904 in exponential form is:

64904 = 23 × 71 × 191 × 611

Prime Factorization of 64916

Prime factors of 64916 are 2, 16229. Prime factorization of 64916 in exponential form is:

64916 = 22 × 162291

Now multiplying the highest exponent prime factors to calculate the LCM of 64904 and 64916.

LCM(64904,64916) = 23 × 71 × 191 × 611 × 162291
LCM(64904,64916) = 1053327016