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What is the Least Common Multiple of 16968 and 16988?

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 16968 and 16988 is 72063096.

LCM(16968,16988) = 72063096

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Least Common Multiple of 16968 and 16988 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16968 and 16988, than apply into the LCM equation.

GCF(16968,16988) = 4
LCM(16968,16988) = ( 16968 × 16988) / 4
LCM(16968,16988) = 288252384 / 4
LCM(16968,16988) = 72063096

Least Common Multiple (LCM) of 16968 and 16988 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16968 and 16988. First we will calculate the prime factors of 16968 and 16988.

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

Prime Factorization of 16988

Prime factors of 16988 are 2, 31, 137. Prime factorization of 16988 in exponential form is:

16988 = 22 × 311 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 16968 and 16988.

LCM(16968,16988) = 23 × 31 × 71 × 1011 × 311 × 1371
LCM(16968,16988) = 72063096