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What is the Least Common Multiple of 74028 and 74045?

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 74028 and 74045 is 5481403260.

LCM(74028,74045) = 5481403260

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Least Common Multiple of 74028 and 74045 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74028 and 74045, than apply into the LCM equation.

GCF(74028,74045) = 1
LCM(74028,74045) = ( 74028 × 74045) / 1
LCM(74028,74045) = 5481403260 / 1
LCM(74028,74045) = 5481403260

Least Common Multiple (LCM) of 74028 and 74045 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74028 and 74045. First we will calculate the prime factors of 74028 and 74045.

Prime Factorization of 74028

Prime factors of 74028 are 2, 3, 31, 199. Prime factorization of 74028 in exponential form is:

74028 = 22 × 31 × 311 × 1991

Prime Factorization of 74045

Prime factors of 74045 are 5, 59, 251. Prime factorization of 74045 in exponential form is:

74045 = 51 × 591 × 2511

Now multiplying the highest exponent prime factors to calculate the LCM of 74028 and 74045.

LCM(74028,74045) = 22 × 31 × 311 × 1991 × 51 × 591 × 2511
LCM(74028,74045) = 5481403260