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What is the Least Common Multiple of 40461 and 40470?

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 40461 and 40470 is 545818890.

LCM(40461,40470) = 545818890

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Least Common Multiple of 40461 and 40470 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40461 and 40470, than apply into the LCM equation.

GCF(40461,40470) = 3
LCM(40461,40470) = ( 40461 × 40470) / 3
LCM(40461,40470) = 1637456670 / 3
LCM(40461,40470) = 545818890

Least Common Multiple (LCM) of 40461 and 40470 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40461 and 40470. First we will calculate the prime factors of 40461 and 40470.

Prime Factorization of 40461

Prime factors of 40461 are 3, 13487. Prime factorization of 40461 in exponential form is:

40461 = 31 × 134871

Prime Factorization of 40470

Prime factors of 40470 are 2, 3, 5, 19, 71. Prime factorization of 40470 in exponential form is:

40470 = 21 × 31 × 51 × 191 × 711

Now multiplying the highest exponent prime factors to calculate the LCM of 40461 and 40470.

LCM(40461,40470) = 31 × 134871 × 21 × 51 × 191 × 711
LCM(40461,40470) = 545818890