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What is the Least Common Multiple of 93986 and 93990?

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 93986 and 93990 is 4416872070.

LCM(93986,93990) = 4416872070

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Least Common Multiple of 93986 and 93990 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 93986 and 93990, than apply into the LCM equation.

GCF(93986,93990) = 2
LCM(93986,93990) = ( 93986 × 93990) / 2
LCM(93986,93990) = 8833744140 / 2
LCM(93986,93990) = 4416872070

Least Common Multiple (LCM) of 93986 and 93990 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 93986 and 93990. First we will calculate the prime factors of 93986 and 93990.

Prime Factorization of 93986

Prime factors of 93986 are 2, 46993. Prime factorization of 93986 in exponential form is:

93986 = 21 × 469931

Prime Factorization of 93990

Prime factors of 93990 are 2, 3, 5, 13, 241. Prime factorization of 93990 in exponential form is:

93990 = 21 × 31 × 51 × 131 × 2411

Now multiplying the highest exponent prime factors to calculate the LCM of 93986 and 93990.

LCM(93986,93990) = 21 × 469931 × 31 × 51 × 131 × 2411
LCM(93986,93990) = 4416872070