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What is the Least Common Multiple of 40257 and 40262?

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 40257 and 40262 is 1620827334.

LCM(40257,40262) = 1620827334

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Least Common Multiple of 40257 and 40262 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40257 and 40262, than apply into the LCM equation.

GCF(40257,40262) = 1
LCM(40257,40262) = ( 40257 × 40262) / 1
LCM(40257,40262) = 1620827334 / 1
LCM(40257,40262) = 1620827334

Least Common Multiple (LCM) of 40257 and 40262 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40257 and 40262. First we will calculate the prime factors of 40257 and 40262.

Prime Factorization of 40257

Prime factors of 40257 are 3, 7, 71. Prime factorization of 40257 in exponential form is:

40257 = 34 × 71 × 711

Prime Factorization of 40262

Prime factors of 40262 are 2, 41, 491. Prime factorization of 40262 in exponential form is:

40262 = 21 × 411 × 4911

Now multiplying the highest exponent prime factors to calculate the LCM of 40257 and 40262.

LCM(40257,40262) = 34 × 71 × 711 × 21 × 411 × 4911
LCM(40257,40262) = 1620827334