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What is the Least Common Multiple of 40450 and 40456?

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 40450 and 40456 is 818222600.

LCM(40450,40456) = 818222600

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Least Common Multiple of 40450 and 40456 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40450 and 40456, than apply into the LCM equation.

GCF(40450,40456) = 2
LCM(40450,40456) = ( 40450 × 40456) / 2
LCM(40450,40456) = 1636445200 / 2
LCM(40450,40456) = 818222600

Least Common Multiple (LCM) of 40450 and 40456 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40450 and 40456. First we will calculate the prime factors of 40450 and 40456.

Prime Factorization of 40450

Prime factors of 40450 are 2, 5, 809. Prime factorization of 40450 in exponential form is:

40450 = 21 × 52 × 8091

Prime Factorization of 40456

Prime factors of 40456 are 2, 13, 389. Prime factorization of 40456 in exponential form is:

40456 = 23 × 131 × 3891

Now multiplying the highest exponent prime factors to calculate the LCM of 40450 and 40456.

LCM(40450,40456) = 23 × 52 × 8091 × 131 × 3891
LCM(40450,40456) = 818222600