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What is the Least Common Multiple of 40557 and 40574?

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 40557 and 40574 is 1645559718.

LCM(40557,40574) = 1645559718

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Least Common Multiple of 40557 and 40574 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40557 and 40574, than apply into the LCM equation.

GCF(40557,40574) = 1
LCM(40557,40574) = ( 40557 × 40574) / 1
LCM(40557,40574) = 1645559718 / 1
LCM(40557,40574) = 1645559718

Least Common Multiple (LCM) of 40557 and 40574 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40557 and 40574. First we will calculate the prime factors of 40557 and 40574.

Prime Factorization of 40557

Prime factors of 40557 are 3, 11, 1229. Prime factorization of 40557 in exponential form is:

40557 = 31 × 111 × 12291

Prime Factorization of 40574

Prime factors of 40574 are 2, 20287. Prime factorization of 40574 in exponential form is:

40574 = 21 × 202871

Now multiplying the highest exponent prime factors to calculate the LCM of 40557 and 40574.

LCM(40557,40574) = 31 × 111 × 12291 × 21 × 202871
LCM(40557,40574) = 1645559718