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What is the Least Common Multiple of 83545 and 83558?

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 83545 and 83558 is 6980853110.

LCM(83545,83558) = 6980853110

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Least Common Multiple of 83545 and 83558 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83545 and 83558, than apply into the LCM equation.

GCF(83545,83558) = 1
LCM(83545,83558) = ( 83545 × 83558) / 1
LCM(83545,83558) = 6980853110 / 1
LCM(83545,83558) = 6980853110

Least Common Multiple (LCM) of 83545 and 83558 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83545 and 83558. First we will calculate the prime factors of 83545 and 83558.

Prime Factorization of 83545

Prime factors of 83545 are 5, 7, 11, 31. Prime factorization of 83545 in exponential form is:

83545 = 51 × 72 × 111 × 311

Prime Factorization of 83558

Prime factors of 83558 are 2, 41, 1019. Prime factorization of 83558 in exponential form is:

83558 = 21 × 411 × 10191

Now multiplying the highest exponent prime factors to calculate the LCM of 83545 and 83558.

LCM(83545,83558) = 51 × 72 × 111 × 311 × 21 × 411 × 10191
LCM(83545,83558) = 6980853110