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What is the Least Common Multiple of 64929 and 64940?

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 64929 and 64940 is 4216489260.

LCM(64929,64940) = 4216489260

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Least Common Multiple of 64929 and 64940 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64929 and 64940, than apply into the LCM equation.

GCF(64929,64940) = 1
LCM(64929,64940) = ( 64929 × 64940) / 1
LCM(64929,64940) = 4216489260 / 1
LCM(64929,64940) = 4216489260

Least Common Multiple (LCM) of 64929 and 64940 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64929 and 64940. First we will calculate the prime factors of 64929 and 64940.

Prime Factorization of 64929

Prime factors of 64929 are 3, 23, 941. Prime factorization of 64929 in exponential form is:

64929 = 31 × 231 × 9411

Prime Factorization of 64940

Prime factors of 64940 are 2, 5, 17, 191. Prime factorization of 64940 in exponential form is:

64940 = 22 × 51 × 171 × 1911

Now multiplying the highest exponent prime factors to calculate the LCM of 64929 and 64940.

LCM(64929,64940) = 31 × 231 × 9411 × 22 × 51 × 171 × 1911
LCM(64929,64940) = 4216489260