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What is the Least Common Multiple of 74470 and 74487?

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 74470 and 74487 is 5547046890.

LCM(74470,74487) = 5547046890

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Least Common Multiple of 74470 and 74487 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74470 and 74487, than apply into the LCM equation.

GCF(74470,74487) = 1
LCM(74470,74487) = ( 74470 × 74487) / 1
LCM(74470,74487) = 5547046890 / 1
LCM(74470,74487) = 5547046890

Least Common Multiple (LCM) of 74470 and 74487 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74470 and 74487. First we will calculate the prime factors of 74470 and 74487.

Prime Factorization of 74470

Prime factors of 74470 are 2, 5, 11, 677. Prime factorization of 74470 in exponential form is:

74470 = 21 × 51 × 111 × 6771

Prime Factorization of 74487

Prime factors of 74487 are 3, 7, 3547. Prime factorization of 74487 in exponential form is:

74487 = 31 × 71 × 35471

Now multiplying the highest exponent prime factors to calculate the LCM of 74470 and 74487.

LCM(74470,74487) = 21 × 51 × 111 × 6771 × 31 × 71 × 35471
LCM(74470,74487) = 5547046890