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What is the Least Common Multiple of 55765 and 55770?

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 55765 and 55770 is 622002810.

LCM(55765,55770) = 622002810

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Least Common Multiple of 55765 and 55770 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55765 and 55770, than apply into the LCM equation.

GCF(55765,55770) = 5
LCM(55765,55770) = ( 55765 × 55770) / 5
LCM(55765,55770) = 3110014050 / 5
LCM(55765,55770) = 622002810

Least Common Multiple (LCM) of 55765 and 55770 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55765 and 55770. First we will calculate the prime factors of 55765 and 55770.

Prime Factorization of 55765

Prime factors of 55765 are 5, 19, 587. Prime factorization of 55765 in exponential form is:

55765 = 51 × 191 × 5871

Prime Factorization of 55770

Prime factors of 55770 are 2, 3, 5, 11, 13. Prime factorization of 55770 in exponential form is:

55770 = 21 × 31 × 51 × 111 × 132

Now multiplying the highest exponent prime factors to calculate the LCM of 55765 and 55770.

LCM(55765,55770) = 51 × 191 × 5871 × 21 × 31 × 111 × 132
LCM(55765,55770) = 622002810