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What is the Least Common Multiple of 74627 and 74640?

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 74627 and 74640 is 5570159280.

LCM(74627,74640) = 5570159280

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Least Common Multiple of 74627 and 74640 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74627 and 74640, than apply into the LCM equation.

GCF(74627,74640) = 1
LCM(74627,74640) = ( 74627 × 74640) / 1
LCM(74627,74640) = 5570159280 / 1
LCM(74627,74640) = 5570159280

Least Common Multiple (LCM) of 74627 and 74640 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74627 and 74640. First we will calculate the prime factors of 74627 and 74640.

Prime Factorization of 74627

Prime factors of 74627 are 7, 1523. Prime factorization of 74627 in exponential form is:

74627 = 72 × 15231

Prime Factorization of 74640

Prime factors of 74640 are 2, 3, 5, 311. Prime factorization of 74640 in exponential form is:

74640 = 24 × 31 × 51 × 3111

Now multiplying the highest exponent prime factors to calculate the LCM of 74627 and 74640.

LCM(74627,74640) = 72 × 15231 × 24 × 31 × 51 × 3111
LCM(74627,74640) = 5570159280