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What is the Least Common Multiple of 40890 and 40897?

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 40890 and 40897 is 1672278330.

LCM(40890,40897) = 1672278330

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Least Common Multiple of 40890 and 40897 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40890 and 40897, than apply into the LCM equation.

GCF(40890,40897) = 1
LCM(40890,40897) = ( 40890 × 40897) / 1
LCM(40890,40897) = 1672278330 / 1
LCM(40890,40897) = 1672278330

Least Common Multiple (LCM) of 40890 and 40897 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40890 and 40897. First we will calculate the prime factors of 40890 and 40897.

Prime Factorization of 40890

Prime factors of 40890 are 2, 3, 5, 29, 47. Prime factorization of 40890 in exponential form is:

40890 = 21 × 31 × 51 × 291 × 471

Prime Factorization of 40897

Prime factors of 40897 are 40897. Prime factorization of 40897 in exponential form is:

40897 = 408971

Now multiplying the highest exponent prime factors to calculate the LCM of 40890 and 40897.

LCM(40890,40897) = 21 × 31 × 51 × 291 × 471 × 408971
LCM(40890,40897) = 1672278330