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What is the Least Common Multiple of 39100 and 39117?

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 39100 and 39117 is 89969100.

LCM(39100,39117) = 89969100

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Least Common Multiple of 39100 and 39117 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39100 and 39117, than apply into the LCM equation.

GCF(39100,39117) = 17
LCM(39100,39117) = ( 39100 × 39117) / 17
LCM(39100,39117) = 1529474700 / 17
LCM(39100,39117) = 89969100

Least Common Multiple (LCM) of 39100 and 39117 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39100 and 39117. First we will calculate the prime factors of 39100 and 39117.

Prime Factorization of 39100

Prime factors of 39100 are 2, 5, 17, 23. Prime factorization of 39100 in exponential form is:

39100 = 22 × 52 × 171 × 231

Prime Factorization of 39117

Prime factors of 39117 are 3, 13, 17, 59. Prime factorization of 39117 in exponential form is:

39117 = 31 × 131 × 171 × 591

Now multiplying the highest exponent prime factors to calculate the LCM of 39100 and 39117.

LCM(39100,39117) = 22 × 52 × 171 × 231 × 31 × 131 × 591
LCM(39100,39117) = 89969100