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What is the Least Common Multiple of 43980 and 43987?

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 43980 and 43987 is 1934548260.

LCM(43980,43987) = 1934548260

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Least Common Multiple of 43980 and 43987 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43980 and 43987, than apply into the LCM equation.

GCF(43980,43987) = 1
LCM(43980,43987) = ( 43980 × 43987) / 1
LCM(43980,43987) = 1934548260 / 1
LCM(43980,43987) = 1934548260

Least Common Multiple (LCM) of 43980 and 43987 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43980 and 43987. First we will calculate the prime factors of 43980 and 43987.

Prime Factorization of 43980

Prime factors of 43980 are 2, 3, 5, 733. Prime factorization of 43980 in exponential form is:

43980 = 22 × 31 × 51 × 7331

Prime Factorization of 43987

Prime factors of 43987 are 43987. Prime factorization of 43987 in exponential form is:

43987 = 439871

Now multiplying the highest exponent prime factors to calculate the LCM of 43980 and 43987.

LCM(43980,43987) = 22 × 31 × 51 × 7331 × 439871
LCM(43980,43987) = 1934548260