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What is the Least Common Multiple of 83538 and 83542?

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 83538 and 83542 is 3489465798.

LCM(83538,83542) = 3489465798

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Least Common Multiple of 83538 and 83542 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83538 and 83542, than apply into the LCM equation.

GCF(83538,83542) = 2
LCM(83538,83542) = ( 83538 × 83542) / 2
LCM(83538,83542) = 6978931596 / 2
LCM(83538,83542) = 3489465798

Least Common Multiple (LCM) of 83538 and 83542 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83538 and 83542. First we will calculate the prime factors of 83538 and 83542.

Prime Factorization of 83538

Prime factors of 83538 are 2, 3, 7, 13, 17. Prime factorization of 83538 in exponential form is:

83538 = 21 × 33 × 71 × 131 × 171

Prime Factorization of 83542

Prime factors of 83542 are 2, 41771. Prime factorization of 83542 in exponential form is:

83542 = 21 × 417711

Now multiplying the highest exponent prime factors to calculate the LCM of 83538 and 83542.

LCM(83538,83542) = 21 × 33 × 71 × 131 × 171 × 417711
LCM(83538,83542) = 3489465798