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What is the Least Common Multiple of 14742 and 14758?

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 14742 and 14758 is 108781218.

LCM(14742,14758) = 108781218

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Least Common Multiple of 14742 and 14758 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 14742 and 14758, than apply into the LCM equation.

GCF(14742,14758) = 2
LCM(14742,14758) = ( 14742 × 14758) / 2
LCM(14742,14758) = 217562436 / 2
LCM(14742,14758) = 108781218

Least Common Multiple (LCM) of 14742 and 14758 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 14742 and 14758. First we will calculate the prime factors of 14742 and 14758.

Prime Factorization of 14742

Prime factors of 14742 are 2, 3, 7, 13. Prime factorization of 14742 in exponential form is:

14742 = 21 × 34 × 71 × 131

Prime Factorization of 14758

Prime factors of 14758 are 2, 47, 157. Prime factorization of 14758 in exponential form is:

14758 = 21 × 471 × 1571

Now multiplying the highest exponent prime factors to calculate the LCM of 14742 and 14758.

LCM(14742,14758) = 21 × 34 × 71 × 131 × 471 × 1571
LCM(14742,14758) = 108781218