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What is the Least Common Multiple of 40502 and 40509?

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 40502 and 40509 is 234385074.

LCM(40502,40509) = 234385074

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Least Common Multiple of 40502 and 40509 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40502 and 40509, than apply into the LCM equation.

GCF(40502,40509) = 7
LCM(40502,40509) = ( 40502 × 40509) / 7
LCM(40502,40509) = 1640695518 / 7
LCM(40502,40509) = 234385074

Least Common Multiple (LCM) of 40502 and 40509 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40502 and 40509. First we will calculate the prime factors of 40502 and 40509.

Prime Factorization of 40502

Prime factors of 40502 are 2, 7, 11, 263. Prime factorization of 40502 in exponential form is:

40502 = 21 × 71 × 111 × 2631

Prime Factorization of 40509

Prime factors of 40509 are 3, 7, 643. Prime factorization of 40509 in exponential form is:

40509 = 32 × 71 × 6431

Now multiplying the highest exponent prime factors to calculate the LCM of 40502 and 40509.

LCM(40502,40509) = 21 × 71 × 111 × 2631 × 32 × 6431
LCM(40502,40509) = 234385074