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What is the Least Common Multiple of 40399 and 40411?

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 40399 and 40411 is 1632563989.

LCM(40399,40411) = 1632563989

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Least Common Multiple of 40399 and 40411 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40399 and 40411, than apply into the LCM equation.

GCF(40399,40411) = 1
LCM(40399,40411) = ( 40399 × 40411) / 1
LCM(40399,40411) = 1632563989 / 1
LCM(40399,40411) = 1632563989

Least Common Multiple (LCM) of 40399 and 40411 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40399 and 40411. First we will calculate the prime factors of 40399 and 40411.

Prime Factorization of 40399

Prime factors of 40399 are 71, 569. Prime factorization of 40399 in exponential form is:

40399 = 711 × 5691

Prime Factorization of 40411

Prime factors of 40411 are 7, 23, 251. Prime factorization of 40411 in exponential form is:

40411 = 71 × 231 × 2511

Now multiplying the highest exponent prime factors to calculate the LCM of 40399 and 40411.

LCM(40399,40411) = 711 × 5691 × 71 × 231 × 2511
LCM(40399,40411) = 1632563989