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What is the Least Common Multiple of 68385 and 68402?

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 68385 and 68402 is 4677670770.

LCM(68385,68402) = 4677670770

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Least Common Multiple of 68385 and 68402 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68385 and 68402, than apply into the LCM equation.

GCF(68385,68402) = 1
LCM(68385,68402) = ( 68385 × 68402) / 1
LCM(68385,68402) = 4677670770 / 1
LCM(68385,68402) = 4677670770

Least Common Multiple (LCM) of 68385 and 68402 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68385 and 68402. First we will calculate the prime factors of 68385 and 68402.

Prime Factorization of 68385

Prime factors of 68385 are 3, 5, 47, 97. Prime factorization of 68385 in exponential form is:

68385 = 31 × 51 × 471 × 971

Prime Factorization of 68402

Prime factors of 68402 are 2, 23, 1487. Prime factorization of 68402 in exponential form is:

68402 = 21 × 231 × 14871

Now multiplying the highest exponent prime factors to calculate the LCM of 68385 and 68402.

LCM(68385,68402) = 31 × 51 × 471 × 971 × 21 × 231 × 14871
LCM(68385,68402) = 4677670770