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What is the Least Common Multiple of 43424 and 43435?

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 43424 and 43435 is 1886121440.

LCM(43424,43435) = 1886121440

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Least Common Multiple of 43424 and 43435 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43424 and 43435, than apply into the LCM equation.

GCF(43424,43435) = 1
LCM(43424,43435) = ( 43424 × 43435) / 1
LCM(43424,43435) = 1886121440 / 1
LCM(43424,43435) = 1886121440

Least Common Multiple (LCM) of 43424 and 43435 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43424 and 43435. First we will calculate the prime factors of 43424 and 43435.

Prime Factorization of 43424

Prime factors of 43424 are 2, 23, 59. Prime factorization of 43424 in exponential form is:

43424 = 25 × 231 × 591

Prime Factorization of 43435

Prime factors of 43435 are 5, 7, 17, 73. Prime factorization of 43435 in exponential form is:

43435 = 51 × 71 × 171 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 43424 and 43435.

LCM(43424,43435) = 25 × 231 × 591 × 51 × 71 × 171 × 731
LCM(43424,43435) = 1886121440