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What is the Least Common Multiple of 77273 and 77280?

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 77273 and 77280 is 853093920.

LCM(77273,77280) = 853093920

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Least Common Multiple of 77273 and 77280 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77273 and 77280, than apply into the LCM equation.

GCF(77273,77280) = 7
LCM(77273,77280) = ( 77273 × 77280) / 7
LCM(77273,77280) = 5971657440 / 7
LCM(77273,77280) = 853093920

Least Common Multiple (LCM) of 77273 and 77280 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77273 and 77280. First we will calculate the prime factors of 77273 and 77280.

Prime Factorization of 77273

Prime factors of 77273 are 7, 19, 83. Prime factorization of 77273 in exponential form is:

77273 = 72 × 191 × 831

Prime Factorization of 77280

Prime factors of 77280 are 2, 3, 5, 7, 23. Prime factorization of 77280 in exponential form is:

77280 = 25 × 31 × 51 × 71 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 77273 and 77280.

LCM(77273,77280) = 72 × 191 × 831 × 25 × 31 × 51 × 231
LCM(77273,77280) = 853093920