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What is the Least Common Multiple of 28424 and 28435?

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 28424 and 28435 is 73476040.

LCM(28424,28435) = 73476040

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Least Common Multiple of 28424 and 28435 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28424 and 28435, than apply into the LCM equation.

GCF(28424,28435) = 11
LCM(28424,28435) = ( 28424 × 28435) / 11
LCM(28424,28435) = 808236440 / 11
LCM(28424,28435) = 73476040

Least Common Multiple (LCM) of 28424 and 28435 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28424 and 28435. First we will calculate the prime factors of 28424 and 28435.

Prime Factorization of 28424

Prime factors of 28424 are 2, 11, 17, 19. Prime factorization of 28424 in exponential form is:

28424 = 23 × 111 × 171 × 191

Prime Factorization of 28435

Prime factors of 28435 are 5, 11, 47. Prime factorization of 28435 in exponential form is:

28435 = 51 × 112 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 28424 and 28435.

LCM(28424,28435) = 23 × 112 × 171 × 191 × 51 × 471
LCM(28424,28435) = 73476040