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What is the Least Common Multiple of 43940 and 43959?

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 43940 and 43959 is 1931558460.

LCM(43940,43959) = 1931558460

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Least Common Multiple of 43940 and 43959 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43940 and 43959, than apply into the LCM equation.

GCF(43940,43959) = 1
LCM(43940,43959) = ( 43940 × 43959) / 1
LCM(43940,43959) = 1931558460 / 1
LCM(43940,43959) = 1931558460

Least Common Multiple (LCM) of 43940 and 43959 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43940 and 43959. First we will calculate the prime factors of 43940 and 43959.

Prime Factorization of 43940

Prime factors of 43940 are 2, 5, 13. Prime factorization of 43940 in exponential form is:

43940 = 22 × 51 × 133

Prime Factorization of 43959

Prime factors of 43959 are 3, 14653. Prime factorization of 43959 in exponential form is:

43959 = 31 × 146531

Now multiplying the highest exponent prime factors to calculate the LCM of 43940 and 43959.

LCM(43940,43959) = 22 × 51 × 133 × 31 × 146531
LCM(43940,43959) = 1931558460