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What is the Least Common Multiple of 40395 and 40408?

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 40395 and 40408 is 1632281160.

LCM(40395,40408) = 1632281160

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Least Common Multiple of 40395 and 40408 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40395 and 40408, than apply into the LCM equation.

GCF(40395,40408) = 1
LCM(40395,40408) = ( 40395 × 40408) / 1
LCM(40395,40408) = 1632281160 / 1
LCM(40395,40408) = 1632281160

Least Common Multiple (LCM) of 40395 and 40408 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40395 and 40408. First we will calculate the prime factors of 40395 and 40408.

Prime Factorization of 40395

Prime factors of 40395 are 3, 5, 2693. Prime factorization of 40395 in exponential form is:

40395 = 31 × 51 × 26931

Prime Factorization of 40408

Prime factors of 40408 are 2, 5051. Prime factorization of 40408 in exponential form is:

40408 = 23 × 50511

Now multiplying the highest exponent prime factors to calculate the LCM of 40395 and 40408.

LCM(40395,40408) = 31 × 51 × 26931 × 23 × 50511
LCM(40395,40408) = 1632281160