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What is the Least Common Multiple of 43982 and 43988?

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 43982 and 43988 is 967340108.

LCM(43982,43988) = 967340108

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Least Common Multiple of 43982 and 43988 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43982 and 43988, than apply into the LCM equation.

GCF(43982,43988) = 2
LCM(43982,43988) = ( 43982 × 43988) / 2
LCM(43982,43988) = 1934680216 / 2
LCM(43982,43988) = 967340108

Least Common Multiple (LCM) of 43982 and 43988 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43982 and 43988. First we will calculate the prime factors of 43982 and 43988.

Prime Factorization of 43982

Prime factors of 43982 are 2, 21991. Prime factorization of 43982 in exponential form is:

43982 = 21 × 219911

Prime Factorization of 43988

Prime factors of 43988 are 2, 7, 1571. Prime factorization of 43988 in exponential form is:

43988 = 22 × 71 × 15711

Now multiplying the highest exponent prime factors to calculate the LCM of 43982 and 43988.

LCM(43982,43988) = 22 × 219911 × 71 × 15711
LCM(43982,43988) = 967340108