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What is the Least Common Multiple of 68530 and 68535?

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 68530 and 68535 is 939340710.

LCM(68530,68535) = 939340710

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Least Common Multiple of 68530 and 68535 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68530 and 68535, than apply into the LCM equation.

GCF(68530,68535) = 5
LCM(68530,68535) = ( 68530 × 68535) / 5
LCM(68530,68535) = 4696703550 / 5
LCM(68530,68535) = 939340710

Least Common Multiple (LCM) of 68530 and 68535 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68530 and 68535. First we will calculate the prime factors of 68530 and 68535.

Prime Factorization of 68530

Prime factors of 68530 are 2, 5, 7, 11, 89. Prime factorization of 68530 in exponential form is:

68530 = 21 × 51 × 71 × 111 × 891

Prime Factorization of 68535

Prime factors of 68535 are 3, 5, 1523. Prime factorization of 68535 in exponential form is:

68535 = 32 × 51 × 15231

Now multiplying the highest exponent prime factors to calculate the LCM of 68530 and 68535.

LCM(68530,68535) = 21 × 51 × 71 × 111 × 891 × 32 × 15231
LCM(68530,68535) = 939340710