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What is the Least Common Multiple of 43897 and 43904?

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 43897 and 43904 is 275321984.

LCM(43897,43904) = 275321984

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Least Common Multiple of 43897 and 43904 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43897 and 43904, than apply into the LCM equation.

GCF(43897,43904) = 7
LCM(43897,43904) = ( 43897 × 43904) / 7
LCM(43897,43904) = 1927253888 / 7
LCM(43897,43904) = 275321984

Least Common Multiple (LCM) of 43897 and 43904 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43897 and 43904. First we will calculate the prime factors of 43897 and 43904.

Prime Factorization of 43897

Prime factors of 43897 are 7, 6271. Prime factorization of 43897 in exponential form is:

43897 = 71 × 62711

Prime Factorization of 43904

Prime factors of 43904 are 2, 7. Prime factorization of 43904 in exponential form is:

43904 = 27 × 73

Now multiplying the highest exponent prime factors to calculate the LCM of 43897 and 43904.

LCM(43897,43904) = 73 × 62711 × 27
LCM(43897,43904) = 275321984