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What is the Least Common Multiple of 42291 and 42310?

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 42291 and 42310 is 1789332210.

LCM(42291,42310) = 1789332210

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Least Common Multiple of 42291 and 42310 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42291 and 42310, than apply into the LCM equation.

GCF(42291,42310) = 1
LCM(42291,42310) = ( 42291 × 42310) / 1
LCM(42291,42310) = 1789332210 / 1
LCM(42291,42310) = 1789332210

Least Common Multiple (LCM) of 42291 and 42310 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42291 and 42310. First we will calculate the prime factors of 42291 and 42310.

Prime Factorization of 42291

Prime factors of 42291 are 3, 37, 127. Prime factorization of 42291 in exponential form is:

42291 = 32 × 371 × 1271

Prime Factorization of 42310

Prime factors of 42310 are 2, 5, 4231. Prime factorization of 42310 in exponential form is:

42310 = 21 × 51 × 42311

Now multiplying the highest exponent prime factors to calculate the LCM of 42291 and 42310.

LCM(42291,42310) = 32 × 371 × 1271 × 21 × 51 × 42311
LCM(42291,42310) = 1789332210