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What is the Least Common Multiple of 67756 and 67770?

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 67756 and 67770 is 2295912060.

LCM(67756,67770) = 2295912060

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Least Common Multiple of 67756 and 67770 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67756 and 67770, than apply into the LCM equation.

GCF(67756,67770) = 2
LCM(67756,67770) = ( 67756 × 67770) / 2
LCM(67756,67770) = 4591824120 / 2
LCM(67756,67770) = 2295912060

Least Common Multiple (LCM) of 67756 and 67770 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67756 and 67770. First we will calculate the prime factors of 67756 and 67770.

Prime Factorization of 67756

Prime factors of 67756 are 2, 13, 1303. Prime factorization of 67756 in exponential form is:

67756 = 22 × 131 × 13031

Prime Factorization of 67770

Prime factors of 67770 are 2, 3, 5, 251. Prime factorization of 67770 in exponential form is:

67770 = 21 × 33 × 51 × 2511

Now multiplying the highest exponent prime factors to calculate the LCM of 67756 and 67770.

LCM(67756,67770) = 22 × 131 × 13031 × 33 × 51 × 2511
LCM(67756,67770) = 2295912060