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What is the Least Common Multiple of 40573 and 40578?

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 40573 and 40578 is 1646371194.

LCM(40573,40578) = 1646371194

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Least Common Multiple of 40573 and 40578 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40573 and 40578, than apply into the LCM equation.

GCF(40573,40578) = 1
LCM(40573,40578) = ( 40573 × 40578) / 1
LCM(40573,40578) = 1646371194 / 1
LCM(40573,40578) = 1646371194

Least Common Multiple (LCM) of 40573 and 40578 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40573 and 40578. First we will calculate the prime factors of 40573 and 40578.

Prime Factorization of 40573

Prime factors of 40573 are 13, 3121. Prime factorization of 40573 in exponential form is:

40573 = 131 × 31211

Prime Factorization of 40578

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

40578 = 21 × 31 × 67631

Now multiplying the highest exponent prime factors to calculate the LCM of 40573 and 40578.

LCM(40573,40578) = 131 × 31211 × 21 × 31 × 67631
LCM(40573,40578) = 1646371194