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What is the Least Common Multiple of 43989 and 43996?

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 43989 and 43996 is 1935340044.

LCM(43989,43996) = 1935340044

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Least Common Multiple of 43989 and 43996 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43989 and 43996, than apply into the LCM equation.

GCF(43989,43996) = 1
LCM(43989,43996) = ( 43989 × 43996) / 1
LCM(43989,43996) = 1935340044 / 1
LCM(43989,43996) = 1935340044

Least Common Multiple (LCM) of 43989 and 43996 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43989 and 43996. First we will calculate the prime factors of 43989 and 43996.

Prime Factorization of 43989

Prime factors of 43989 are 3, 11, 31, 43. Prime factorization of 43989 in exponential form is:

43989 = 31 × 111 × 311 × 431

Prime Factorization of 43996

Prime factors of 43996 are 2, 17, 647. Prime factorization of 43996 in exponential form is:

43996 = 22 × 171 × 6471

Now multiplying the highest exponent prime factors to calculate the LCM of 43989 and 43996.

LCM(43989,43996) = 31 × 111 × 311 × 431 × 22 × 171 × 6471
LCM(43989,43996) = 1935340044