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What is the Least Common Multiple of 16958 and 16968?

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 16958 and 16968 is 143871672.

LCM(16958,16968) = 143871672

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Least Common Multiple of 16958 and 16968 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16958 and 16968, than apply into the LCM equation.

GCF(16958,16968) = 2
LCM(16958,16968) = ( 16958 × 16968) / 2
LCM(16958,16968) = 287743344 / 2
LCM(16958,16968) = 143871672

Least Common Multiple (LCM) of 16958 and 16968 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16958 and 16968. First we will calculate the prime factors of 16958 and 16968.

Prime Factorization of 16958

Prime factors of 16958 are 2, 61, 139. Prime factorization of 16958 in exponential form is:

16958 = 21 × 611 × 1391

Prime Factorization of 16968

Prime factors of 16968 are 2, 3, 7, 101. Prime factorization of 16968 in exponential form is:

16968 = 23 × 31 × 71 × 1011

Now multiplying the highest exponent prime factors to calculate the LCM of 16958 and 16968.

LCM(16958,16968) = 23 × 611 × 1391 × 31 × 71 × 1011
LCM(16958,16968) = 143871672