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What is the Least Common Multiple of 38985 and 38998?

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 38985 and 38998 is 1520337030.

LCM(38985,38998) = 1520337030

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Least Common Multiple of 38985 and 38998 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38985 and 38998, than apply into the LCM equation.

GCF(38985,38998) = 1
LCM(38985,38998) = ( 38985 × 38998) / 1
LCM(38985,38998) = 1520337030 / 1
LCM(38985,38998) = 1520337030

Least Common Multiple (LCM) of 38985 and 38998 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38985 and 38998. First we will calculate the prime factors of 38985 and 38998.

Prime Factorization of 38985

Prime factors of 38985 are 3, 5, 23, 113. Prime factorization of 38985 in exponential form is:

38985 = 31 × 51 × 231 × 1131

Prime Factorization of 38998

Prime factors of 38998 are 2, 17, 31, 37. Prime factorization of 38998 in exponential form is:

38998 = 21 × 171 × 311 × 371

Now multiplying the highest exponent prime factors to calculate the LCM of 38985 and 38998.

LCM(38985,38998) = 31 × 51 × 231 × 1131 × 21 × 171 × 311 × 371
LCM(38985,38998) = 1520337030