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What is the Least Common Multiple of 70761 and 70780?

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 70761 and 70780 is 5008463580.

LCM(70761,70780) = 5008463580

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Least Common Multiple of 70761 and 70780 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70761 and 70780, than apply into the LCM equation.

GCF(70761,70780) = 1
LCM(70761,70780) = ( 70761 × 70780) / 1
LCM(70761,70780) = 5008463580 / 1
LCM(70761,70780) = 5008463580

Least Common Multiple (LCM) of 70761 and 70780 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70761 and 70780. First we will calculate the prime factors of 70761 and 70780.

Prime Factorization of 70761

Prime factors of 70761 are 3, 103, 229. Prime factorization of 70761 in exponential form is:

70761 = 31 × 1031 × 2291

Prime Factorization of 70780

Prime factors of 70780 are 2, 5, 3539. Prime factorization of 70780 in exponential form is:

70780 = 22 × 51 × 35391

Now multiplying the highest exponent prime factors to calculate the LCM of 70761 and 70780.

LCM(70761,70780) = 31 × 1031 × 2291 × 22 × 51 × 35391
LCM(70761,70780) = 5008463580