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What is the Least Common Multiple of 40575 and 40579?

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 40575 and 40579 is 1646492925.

LCM(40575,40579) = 1646492925

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Least Common Multiple of 40575 and 40579 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40575 and 40579, than apply into the LCM equation.

GCF(40575,40579) = 1
LCM(40575,40579) = ( 40575 × 40579) / 1
LCM(40575,40579) = 1646492925 / 1
LCM(40575,40579) = 1646492925

Least Common Multiple (LCM) of 40575 and 40579 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40575 and 40579. First we will calculate the prime factors of 40575 and 40579.

Prime Factorization of 40575

Prime factors of 40575 are 3, 5, 541. Prime factorization of 40575 in exponential form is:

40575 = 31 × 52 × 5411

Prime Factorization of 40579

Prime factors of 40579 are 7, 11, 17, 31. Prime factorization of 40579 in exponential form is:

40579 = 71 × 111 × 171 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 40575 and 40579.

LCM(40575,40579) = 31 × 52 × 5411 × 71 × 111 × 171 × 311
LCM(40575,40579) = 1646492925