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What is the Least Common Multiple of 355 and 360?

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 355 and 360 is 25560.

LCM(355,360) = 25560

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Least Common Multiple of 355 and 360 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 355 and 360, than apply into the LCM equation.

GCF(355,360) = 5
LCM(355,360) = ( 355 × 360) / 5
LCM(355,360) = 127800 / 5
LCM(355,360) = 25560

Least Common Multiple (LCM) of 355 and 360 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 355 and 360. First we will calculate the prime factors of 355 and 360.

Prime Factorization of 355

Prime factors of 355 are 5, 71. Prime factorization of 355 in exponential form is:

355 = 51 × 711

Prime Factorization of 360

Prime factors of 360 are 2, 3, 5. Prime factorization of 360 in exponential form is:

360 = 23 × 32 × 51

Now multiplying the highest exponent prime factors to calculate the LCM of 355 and 360.

LCM(355,360) = 51 × 711 × 23 × 32
LCM(355,360) = 25560