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What is the Least Common Multiple of 74130 and 74145?

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 74130 and 74145 is 366424590.

LCM(74130,74145) = 366424590

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Least Common Multiple of 74130 and 74145 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74130 and 74145, than apply into the LCM equation.

GCF(74130,74145) = 15
LCM(74130,74145) = ( 74130 × 74145) / 15
LCM(74130,74145) = 5496368850 / 15
LCM(74130,74145) = 366424590

Least Common Multiple (LCM) of 74130 and 74145 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74130 and 74145. First we will calculate the prime factors of 74130 and 74145.

Prime Factorization of 74130

Prime factors of 74130 are 2, 3, 5, 7, 353. Prime factorization of 74130 in exponential form is:

74130 = 21 × 31 × 51 × 71 × 3531

Prime Factorization of 74145

Prime factors of 74145 are 3, 5, 4943. Prime factorization of 74145 in exponential form is:

74145 = 31 × 51 × 49431

Now multiplying the highest exponent prime factors to calculate the LCM of 74130 and 74145.

LCM(74130,74145) = 21 × 31 × 51 × 71 × 3531 × 49431
LCM(74130,74145) = 366424590