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What is the Least Common Multiple of 35728 and 35742?

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 35728 and 35742 is 91213584.

LCM(35728,35742) = 91213584

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Least Common Multiple of 35728 and 35742 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 35728 and 35742, than apply into the LCM equation.

GCF(35728,35742) = 14
LCM(35728,35742) = ( 35728 × 35742) / 14
LCM(35728,35742) = 1276990176 / 14
LCM(35728,35742) = 91213584

Least Common Multiple (LCM) of 35728 and 35742 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 35728 and 35742. First we will calculate the prime factors of 35728 and 35742.

Prime Factorization of 35728

Prime factors of 35728 are 2, 7, 11, 29. Prime factorization of 35728 in exponential form is:

35728 = 24 × 71 × 111 × 291

Prime Factorization of 35742

Prime factors of 35742 are 2, 3, 7, 23, 37. Prime factorization of 35742 in exponential form is:

35742 = 21 × 31 × 71 × 231 × 371

Now multiplying the highest exponent prime factors to calculate the LCM of 35728 and 35742.

LCM(35728,35742) = 24 × 71 × 111 × 291 × 31 × 231 × 371
LCM(35728,35742) = 91213584