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What is the Least Common Multiple of 40071 and 40078?

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 40071 and 40078 is 1605965538.

LCM(40071,40078) = 1605965538

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Least Common Multiple of 40071 and 40078 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40071 and 40078, than apply into the LCM equation.

GCF(40071,40078) = 1
LCM(40071,40078) = ( 40071 × 40078) / 1
LCM(40071,40078) = 1605965538 / 1
LCM(40071,40078) = 1605965538

Least Common Multiple (LCM) of 40071 and 40078 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40071 and 40078. First we will calculate the prime factors of 40071 and 40078.

Prime Factorization of 40071

Prime factors of 40071 are 3, 19, 37. Prime factorization of 40071 in exponential form is:

40071 = 31 × 192 × 371

Prime Factorization of 40078

Prime factors of 40078 are 2, 29, 691. Prime factorization of 40078 in exponential form is:

40078 = 21 × 291 × 6911

Now multiplying the highest exponent prime factors to calculate the LCM of 40071 and 40078.

LCM(40071,40078) = 31 × 192 × 371 × 21 × 291 × 6911
LCM(40071,40078) = 1605965538