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What is the Least Common Multiple of 69982 and 69987?

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 69982 and 69987 is 4897830234.

LCM(69982,69987) = 4897830234

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Least Common Multiple of 69982 and 69987 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69982 and 69987, than apply into the LCM equation.

GCF(69982,69987) = 1
LCM(69982,69987) = ( 69982 × 69987) / 1
LCM(69982,69987) = 4897830234 / 1
LCM(69982,69987) = 4897830234

Least Common Multiple (LCM) of 69982 and 69987 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69982 and 69987. First we will calculate the prime factors of 69982 and 69987.

Prime Factorization of 69982

Prime factors of 69982 are 2, 11, 3181. Prime factorization of 69982 in exponential form is:

69982 = 21 × 111 × 31811

Prime Factorization of 69987

Prime factors of 69987 are 3, 41, 569. Prime factorization of 69987 in exponential form is:

69987 = 31 × 411 × 5691

Now multiplying the highest exponent prime factors to calculate the LCM of 69982 and 69987.

LCM(69982,69987) = 21 × 111 × 31811 × 31 × 411 × 5691
LCM(69982,69987) = 4897830234