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What is the Least Common Multiple of 15998 and 16010?

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 15998 and 16010 is 128063990.

LCM(15998,16010) = 128063990

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Least Common Multiple of 15998 and 16010 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15998 and 16010, than apply into the LCM equation.

GCF(15998,16010) = 2
LCM(15998,16010) = ( 15998 × 16010) / 2
LCM(15998,16010) = 256127980 / 2
LCM(15998,16010) = 128063990

Least Common Multiple (LCM) of 15998 and 16010 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15998 and 16010. First we will calculate the prime factors of 15998 and 16010.

Prime Factorization of 15998

Prime factors of 15998 are 2, 19, 421. Prime factorization of 15998 in exponential form is:

15998 = 21 × 191 × 4211

Prime Factorization of 16010

Prime factors of 16010 are 2, 5, 1601. Prime factorization of 16010 in exponential form is:

16010 = 21 × 51 × 16011

Now multiplying the highest exponent prime factors to calculate the LCM of 15998 and 16010.

LCM(15998,16010) = 21 × 191 × 4211 × 51 × 16011
LCM(15998,16010) = 128063990