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What is the Least Common Multiple of 16958 and 16972?

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 16972 is 143905588.

LCM(16958,16972) = 143905588

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Least Common Multiple of 16958 and 16972 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 16972, than apply into the LCM equation.

GCF(16958,16972) = 2
LCM(16958,16972) = ( 16958 × 16972) / 2
LCM(16958,16972) = 287811176 / 2
LCM(16958,16972) = 143905588

Least Common Multiple (LCM) of 16958 and 16972 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16958 and 16972. First we will calculate the prime factors of 16958 and 16972.

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 16972

Prime factors of 16972 are 2, 4243. Prime factorization of 16972 in exponential form is:

16972 = 22 × 42431

Now multiplying the highest exponent prime factors to calculate the LCM of 16958 and 16972.

LCM(16958,16972) = 22 × 611 × 1391 × 42431
LCM(16958,16972) = 143905588