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What is the Least Common Multiple of 74032 and 74046?

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 74032 and 74046 is 391555248.

LCM(74032,74046) = 391555248

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Least Common Multiple of 74032 and 74046 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74032 and 74046, than apply into the LCM equation.

GCF(74032,74046) = 14
LCM(74032,74046) = ( 74032 × 74046) / 14
LCM(74032,74046) = 5481773472 / 14
LCM(74032,74046) = 391555248

Least Common Multiple (LCM) of 74032 and 74046 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74032 and 74046. First we will calculate the prime factors of 74032 and 74046.

Prime Factorization of 74032

Prime factors of 74032 are 2, 7, 661. Prime factorization of 74032 in exponential form is:

74032 = 24 × 71 × 6611

Prime Factorization of 74046

Prime factors of 74046 are 2, 3, 7, 41, 43. Prime factorization of 74046 in exponential form is:

74046 = 21 × 31 × 71 × 411 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 74032 and 74046.

LCM(74032,74046) = 24 × 71 × 6611 × 31 × 411 × 431
LCM(74032,74046) = 391555248