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What is the Least Common Multiple of 40256 and 40263?

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 40256 and 40263 is 1620827328.

LCM(40256,40263) = 1620827328

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Least Common Multiple of 40256 and 40263 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40256 and 40263, than apply into the LCM equation.

GCF(40256,40263) = 1
LCM(40256,40263) = ( 40256 × 40263) / 1
LCM(40256,40263) = 1620827328 / 1
LCM(40256,40263) = 1620827328

Least Common Multiple (LCM) of 40256 and 40263 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40256 and 40263. First we will calculate the prime factors of 40256 and 40263.

Prime Factorization of 40256

Prime factors of 40256 are 2, 17, 37. Prime factorization of 40256 in exponential form is:

40256 = 26 × 171 × 371

Prime Factorization of 40263

Prime factors of 40263 are 3, 13421. Prime factorization of 40263 in exponential form is:

40263 = 31 × 134211

Now multiplying the highest exponent prime factors to calculate the LCM of 40256 and 40263.

LCM(40256,40263) = 26 × 171 × 371 × 31 × 134211
LCM(40256,40263) = 1620827328