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What is the Least Common Multiple of 70771 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 70771 and 70780 is 5009171380.

LCM(70771,70780) = 5009171380

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Least Common Multiple of 70771 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 70771 and 70780, than apply into the LCM equation.

GCF(70771,70780) = 1
LCM(70771,70780) = ( 70771 × 70780) / 1
LCM(70771,70780) = 5009171380 / 1
LCM(70771,70780) = 5009171380

Least Common Multiple (LCM) of 70771 and 70780 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70771 and 70780. First we will calculate the prime factors of 70771 and 70780.

Prime Factorization of 70771

Prime factors of 70771 are 17, 23, 181. Prime factorization of 70771 in exponential form is:

70771 = 171 × 231 × 1811

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 70771 and 70780.

LCM(70771,70780) = 171 × 231 × 1811 × 22 × 51 × 35391
LCM(70771,70780) = 5009171380