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What is the Least Common Multiple of 89142 and 89159?

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 89142 and 89159 is 7947811578.

LCM(89142,89159) = 7947811578

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Least Common Multiple of 89142 and 89159 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89142 and 89159, than apply into the LCM equation.

GCF(89142,89159) = 1
LCM(89142,89159) = ( 89142 × 89159) / 1
LCM(89142,89159) = 7947811578 / 1
LCM(89142,89159) = 7947811578

Least Common Multiple (LCM) of 89142 and 89159 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89142 and 89159. First we will calculate the prime factors of 89142 and 89159.

Prime Factorization of 89142

Prime factors of 89142 are 2, 3, 83, 179. Prime factorization of 89142 in exponential form is:

89142 = 21 × 31 × 831 × 1791

Prime Factorization of 89159

Prime factors of 89159 are 7, 47, 271. Prime factorization of 89159 in exponential form is:

89159 = 71 × 471 × 2711

Now multiplying the highest exponent prime factors to calculate the LCM of 89142 and 89159.

LCM(89142,89159) = 21 × 31 × 831 × 1791 × 71 × 471 × 2711
LCM(89142,89159) = 7947811578