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What is the Least Common Multiple of 28422 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 28422 and 28435 is 808179570.

LCM(28422,28435) = 808179570

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Least Common Multiple of 28422 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 28422 and 28435, than apply into the LCM equation.

GCF(28422,28435) = 1
LCM(28422,28435) = ( 28422 × 28435) / 1
LCM(28422,28435) = 808179570 / 1
LCM(28422,28435) = 808179570

Least Common Multiple (LCM) of 28422 and 28435 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28422 and 28435. First we will calculate the prime factors of 28422 and 28435.

Prime Factorization of 28422

Prime factors of 28422 are 2, 3, 1579. Prime factorization of 28422 in exponential form is:

28422 = 21 × 32 × 15791

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 28422 and 28435.

LCM(28422,28435) = 21 × 32 × 15791 × 51 × 112 × 471
LCM(28422,28435) = 808179570