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What is the Least Common Multiple of 28492 and 28507?

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 28492 and 28507 is 812221444.

LCM(28492,28507) = 812221444

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Least Common Multiple of 28492 and 28507 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28492 and 28507, than apply into the LCM equation.

GCF(28492,28507) = 1
LCM(28492,28507) = ( 28492 × 28507) / 1
LCM(28492,28507) = 812221444 / 1
LCM(28492,28507) = 812221444

Least Common Multiple (LCM) of 28492 and 28507 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28492 and 28507. First we will calculate the prime factors of 28492 and 28507.

Prime Factorization of 28492

Prime factors of 28492 are 2, 17, 419. Prime factorization of 28492 in exponential form is:

28492 = 22 × 171 × 4191

Prime Factorization of 28507

Prime factors of 28507 are 29, 983. Prime factorization of 28507 in exponential form is:

28507 = 291 × 9831

Now multiplying the highest exponent prime factors to calculate the LCM of 28492 and 28507.

LCM(28492,28507) = 22 × 171 × 4191 × 291 × 9831
LCM(28492,28507) = 812221444