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What is the Least Common Multiple of 15727 and 15742?

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 15727 and 15742 is 247574434.

LCM(15727,15742) = 247574434

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Least Common Multiple of 15727 and 15742 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15727 and 15742, than apply into the LCM equation.

GCF(15727,15742) = 1
LCM(15727,15742) = ( 15727 × 15742) / 1
LCM(15727,15742) = 247574434 / 1
LCM(15727,15742) = 247574434

Least Common Multiple (LCM) of 15727 and 15742 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15727 and 15742. First we will calculate the prime factors of 15727 and 15742.

Prime Factorization of 15727

Prime factors of 15727 are 15727. Prime factorization of 15727 in exponential form is:

15727 = 157271

Prime Factorization of 15742

Prime factors of 15742 are 2, 17, 463. Prime factorization of 15742 in exponential form is:

15742 = 21 × 171 × 4631

Now multiplying the highest exponent prime factors to calculate the LCM of 15727 and 15742.

LCM(15727,15742) = 157271 × 21 × 171 × 4631
LCM(15727,15742) = 247574434