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What is the Least Common Multiple of 43621 and 43630?

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 43621 and 43630 is 1903184230.

LCM(43621,43630) = 1903184230

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Least Common Multiple of 43621 and 43630 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43621 and 43630, than apply into the LCM equation.

GCF(43621,43630) = 1
LCM(43621,43630) = ( 43621 × 43630) / 1
LCM(43621,43630) = 1903184230 / 1
LCM(43621,43630) = 1903184230

Least Common Multiple (LCM) of 43621 and 43630 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43621 and 43630. First we will calculate the prime factors of 43621 and 43630.

Prime Factorization of 43621

Prime factors of 43621 are 181, 241. Prime factorization of 43621 in exponential form is:

43621 = 1811 × 2411

Prime Factorization of 43630

Prime factors of 43630 are 2, 5, 4363. Prime factorization of 43630 in exponential form is:

43630 = 21 × 51 × 43631

Now multiplying the highest exponent prime factors to calculate the LCM of 43621 and 43630.

LCM(43621,43630) = 1811 × 2411 × 21 × 51 × 43631
LCM(43621,43630) = 1903184230