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What is the Least Common Multiple of 64255 and 64270?

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 64255 and 64270 is 825933770.

LCM(64255,64270) = 825933770

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Least Common Multiple of 64255 and 64270 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64255 and 64270, than apply into the LCM equation.

GCF(64255,64270) = 5
LCM(64255,64270) = ( 64255 × 64270) / 5
LCM(64255,64270) = 4129668850 / 5
LCM(64255,64270) = 825933770

Least Common Multiple (LCM) of 64255 and 64270 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64255 and 64270. First we will calculate the prime factors of 64255 and 64270.

Prime Factorization of 64255

Prime factors of 64255 are 5, 71, 181. Prime factorization of 64255 in exponential form is:

64255 = 51 × 711 × 1811

Prime Factorization of 64270

Prime factors of 64270 are 2, 5, 6427. Prime factorization of 64270 in exponential form is:

64270 = 21 × 51 × 64271

Now multiplying the highest exponent prime factors to calculate the LCM of 64255 and 64270.

LCM(64255,64270) = 51 × 711 × 1811 × 21 × 64271
LCM(64255,64270) = 825933770