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What is the Least Common Multiple of 40434 and 40448?

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 40434 and 40448 is 817737216.

LCM(40434,40448) = 817737216

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Least Common Multiple of 40434 and 40448 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40434 and 40448, than apply into the LCM equation.

GCF(40434,40448) = 2
LCM(40434,40448) = ( 40434 × 40448) / 2
LCM(40434,40448) = 1635474432 / 2
LCM(40434,40448) = 817737216

Least Common Multiple (LCM) of 40434 and 40448 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40434 and 40448. First we will calculate the prime factors of 40434 and 40448.

Prime Factorization of 40434

Prime factors of 40434 are 2, 3, 23, 293. Prime factorization of 40434 in exponential form is:

40434 = 21 × 31 × 231 × 2931

Prime Factorization of 40448

Prime factors of 40448 are 2, 79. Prime factorization of 40448 in exponential form is:

40448 = 29 × 791

Now multiplying the highest exponent prime factors to calculate the LCM of 40434 and 40448.

LCM(40434,40448) = 29 × 31 × 231 × 2931 × 791
LCM(40434,40448) = 817737216