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What is the Least Common Multiple of 74172 and 74176?

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 74172 and 74176 is 1375445568.

LCM(74172,74176) = 1375445568

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Least Common Multiple of 74172 and 74176 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74172 and 74176, than apply into the LCM equation.

GCF(74172,74176) = 4
LCM(74172,74176) = ( 74172 × 74176) / 4
LCM(74172,74176) = 5501782272 / 4
LCM(74172,74176) = 1375445568

Least Common Multiple (LCM) of 74172 and 74176 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74172 and 74176. First we will calculate the prime factors of 74172 and 74176.

Prime Factorization of 74172

Prime factors of 74172 are 2, 3, 7, 883. Prime factorization of 74172 in exponential form is:

74172 = 22 × 31 × 71 × 8831

Prime Factorization of 74176

Prime factors of 74176 are 2, 19, 61. Prime factorization of 74176 in exponential form is:

74176 = 26 × 191 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 74172 and 74176.

LCM(74172,74176) = 26 × 31 × 71 × 8831 × 191 × 611
LCM(74172,74176) = 1375445568