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What is the Least Common Multiple of 77258 and 77272?

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 77258 and 77272 is 2984940088.

LCM(77258,77272) = 2984940088

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Least Common Multiple of 77258 and 77272 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77258 and 77272, than apply into the LCM equation.

GCF(77258,77272) = 2
LCM(77258,77272) = ( 77258 × 77272) / 2
LCM(77258,77272) = 5969880176 / 2
LCM(77258,77272) = 2984940088

Least Common Multiple (LCM) of 77258 and 77272 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77258 and 77272. First we will calculate the prime factors of 77258 and 77272.

Prime Factorization of 77258

Prime factors of 77258 are 2, 38629. Prime factorization of 77258 in exponential form is:

77258 = 21 × 386291

Prime Factorization of 77272

Prime factors of 77272 are 2, 13, 743. Prime factorization of 77272 in exponential form is:

77272 = 23 × 131 × 7431

Now multiplying the highest exponent prime factors to calculate the LCM of 77258 and 77272.

LCM(77258,77272) = 23 × 386291 × 131 × 7431
LCM(77258,77272) = 2984940088