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What is the Least Common Multiple of 40442 and 40446?

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 40442 and 40446 is 817858566.

LCM(40442,40446) = 817858566

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Least Common Multiple of 40442 and 40446 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40442 and 40446, than apply into the LCM equation.

GCF(40442,40446) = 2
LCM(40442,40446) = ( 40442 × 40446) / 2
LCM(40442,40446) = 1635717132 / 2
LCM(40442,40446) = 817858566

Least Common Multiple (LCM) of 40442 and 40446 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40442 and 40446. First we will calculate the prime factors of 40442 and 40446.

Prime Factorization of 40442

Prime factors of 40442 are 2, 73, 277. Prime factorization of 40442 in exponential form is:

40442 = 21 × 731 × 2771

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

Now multiplying the highest exponent prime factors to calculate the LCM of 40442 and 40446.

LCM(40442,40446) = 21 × 731 × 2771 × 33 × 71 × 1071
LCM(40442,40446) = 817858566