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What is the Least Common Multiple of 94705 and 94720?

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 94705 and 94720 is 1794091520.

LCM(94705,94720) = 1794091520

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Least Common Multiple of 94705 and 94720 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 94705 and 94720, than apply into the LCM equation.

GCF(94705,94720) = 5
LCM(94705,94720) = ( 94705 × 94720) / 5
LCM(94705,94720) = 8970457600 / 5
LCM(94705,94720) = 1794091520

Least Common Multiple (LCM) of 94705 and 94720 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 94705 and 94720. First we will calculate the prime factors of 94705 and 94720.

Prime Factorization of 94705

Prime factors of 94705 are 5, 13, 31, 47. Prime factorization of 94705 in exponential form is:

94705 = 51 × 131 × 311 × 471

Prime Factorization of 94720

Prime factors of 94720 are 2, 5, 37. Prime factorization of 94720 in exponential form is:

94720 = 29 × 51 × 371

Now multiplying the highest exponent prime factors to calculate the LCM of 94705 and 94720.

LCM(94705,94720) = 51 × 131 × 311 × 471 × 29 × 371
LCM(94705,94720) = 1794091520