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What is the Least Common Multiple of 40446 and 40457?

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 40446 and 40457 is 1636323822.

LCM(40446,40457) = 1636323822

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Least Common Multiple of 40446 and 40457 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40446 and 40457, than apply into the LCM equation.

GCF(40446,40457) = 1
LCM(40446,40457) = ( 40446 × 40457) / 1
LCM(40446,40457) = 1636323822 / 1
LCM(40446,40457) = 1636323822

Least Common Multiple (LCM) of 40446 and 40457 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40446 and 40457. First we will calculate the prime factors of 40446 and 40457.

Prime Factorization of 40446

Prime factors of 40446 are 2, 3, 7, 107. Prime factorization of 40446 in exponential form is:

40446 = 21 × 33 × 71 × 1071

Prime Factorization of 40457

Prime factors of 40457 are 23, 1759. Prime factorization of 40457 in exponential form is:

40457 = 231 × 17591

Now multiplying the highest exponent prime factors to calculate the LCM of 40446 and 40457.

LCM(40446,40457) = 21 × 33 × 71 × 1071 × 231 × 17591
LCM(40446,40457) = 1636323822