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What is the Least Common Multiple of 42897 and 42910?

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 42897 and 42910 is 1840710270.

LCM(42897,42910) = 1840710270

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Least Common Multiple of 42897 and 42910 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42897 and 42910, than apply into the LCM equation.

GCF(42897,42910) = 1
LCM(42897,42910) = ( 42897 × 42910) / 1
LCM(42897,42910) = 1840710270 / 1
LCM(42897,42910) = 1840710270

Least Common Multiple (LCM) of 42897 and 42910 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42897 and 42910. First we will calculate the prime factors of 42897 and 42910.

Prime Factorization of 42897

Prime factors of 42897 are 3, 79, 181. Prime factorization of 42897 in exponential form is:

42897 = 31 × 791 × 1811

Prime Factorization of 42910

Prime factors of 42910 are 2, 5, 7, 613. Prime factorization of 42910 in exponential form is:

42910 = 21 × 51 × 71 × 6131

Now multiplying the highest exponent prime factors to calculate the LCM of 42897 and 42910.

LCM(42897,42910) = 31 × 791 × 1811 × 21 × 51 × 71 × 6131
LCM(42897,42910) = 1840710270