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What is the Least Common Multiple of 40673 and 40687?

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 40673 and 40687 is 1654862351.

LCM(40673,40687) = 1654862351

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Least Common Multiple of 40673 and 40687 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40673 and 40687, than apply into the LCM equation.

GCF(40673,40687) = 1
LCM(40673,40687) = ( 40673 × 40687) / 1
LCM(40673,40687) = 1654862351 / 1
LCM(40673,40687) = 1654862351

Least Common Multiple (LCM) of 40673 and 40687 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40673 and 40687. First we will calculate the prime factors of 40673 and 40687.

Prime Factorization of 40673

Prime factors of 40673 are 89, 457. Prime factorization of 40673 in exponential form is:

40673 = 891 × 4571

Prime Factorization of 40687

Prime factors of 40687 are 23, 29, 61. Prime factorization of 40687 in exponential form is:

40687 = 231 × 291 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 40673 and 40687.

LCM(40673,40687) = 891 × 4571 × 231 × 291 × 611
LCM(40673,40687) = 1654862351