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Least Common Multiple of 35 and 55

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 35 and 55 is 385.

LCM(35,55) = 385

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Least Common Multiple of 35 and 55 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 35 and 55, than apply into the LCM equation.

GCF(35,55) = 5
LCM(35,55) = ( 35 × 55) / 5
LCM(35,55) = 1925 / 5
LCM(35,55) = 385

Least Common Multiple (LCM) of 35 and 55 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 35 and 55. First we will calculate the prime factors of 35 and 55.

Prime Factorization of 35

Prime factors of 35 are 5, 7. Prime factorization of 35 in exponential form is:

35 = 51 × 71

Prime Factorization of 55

Prime factors of 55 are 5, 11. Prime factorization of 55 in exponential form is:

55 = 51 × 111

Now multiplying the highest exponent prime factors to calculate the LCM of 35 and 55.

LCM(35,55) = 51 × 71 × 111
LCM(35,55) = 385

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