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What is the Least Common Multiple of 43121 and 43126?

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 43121 and 43126 is 1859636246.

LCM(43121,43126) = 1859636246

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Least Common Multiple of 43121 and 43126 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43121 and 43126, than apply into the LCM equation.

GCF(43121,43126) = 1
LCM(43121,43126) = ( 43121 × 43126) / 1
LCM(43121,43126) = 1859636246 / 1
LCM(43121,43126) = 1859636246

Least Common Multiple (LCM) of 43121 and 43126 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43121 and 43126. First we will calculate the prime factors of 43121 and 43126.

Prime Factorization of 43121

Prime factors of 43121 are 13, 31, 107. Prime factorization of 43121 in exponential form is:

43121 = 131 × 311 × 1071

Prime Factorization of 43126

Prime factors of 43126 are 2, 21563. Prime factorization of 43126 in exponential form is:

43126 = 21 × 215631

Now multiplying the highest exponent prime factors to calculate the LCM of 43121 and 43126.

LCM(43121,43126) = 131 × 311 × 1071 × 21 × 215631
LCM(43121,43126) = 1859636246