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What is the Least Common Multiple of 40578 and 40583?

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 40578 and 40583 is 1646776974.

LCM(40578,40583) = 1646776974

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Least Common Multiple of 40578 and 40583 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40578 and 40583, than apply into the LCM equation.

GCF(40578,40583) = 1
LCM(40578,40583) = ( 40578 × 40583) / 1
LCM(40578,40583) = 1646776974 / 1
LCM(40578,40583) = 1646776974

Least Common Multiple (LCM) of 40578 and 40583 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40578 and 40583. First we will calculate the prime factors of 40578 and 40583.

Prime Factorization of 40578

Prime factors of 40578 are 2, 3, 6763. Prime factorization of 40578 in exponential form is:

40578 = 21 × 31 × 67631

Prime Factorization of 40583

Prime factors of 40583 are 40583. Prime factorization of 40583 in exponential form is:

40583 = 405831

Now multiplying the highest exponent prime factors to calculate the LCM of 40578 and 40583.

LCM(40578,40583) = 21 × 31 × 67631 × 405831
LCM(40578,40583) = 1646776974