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What is the Least Common Multiple of 74727 and 74742?

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 74727 and 74742 is 1861748478.

LCM(74727,74742) = 1861748478

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Least Common Multiple of 74727 and 74742 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74727 and 74742, than apply into the LCM equation.

GCF(74727,74742) = 3
LCM(74727,74742) = ( 74727 × 74742) / 3
LCM(74727,74742) = 5585245434 / 3
LCM(74727,74742) = 1861748478

Least Common Multiple (LCM) of 74727 and 74742 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74727 and 74742. First we will calculate the prime factors of 74727 and 74742.

Prime Factorization of 74727

Prime factors of 74727 are 3, 19, 23. Prime factorization of 74727 in exponential form is:

74727 = 32 × 192 × 231

Prime Factorization of 74742

Prime factors of 74742 are 2, 3, 12457. Prime factorization of 74742 in exponential form is:

74742 = 21 × 31 × 124571

Now multiplying the highest exponent prime factors to calculate the LCM of 74727 and 74742.

LCM(74727,74742) = 32 × 192 × 231 × 21 × 124571
LCM(74727,74742) = 1861748478