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What is the Least Common Multiple of 40477 and 40490?

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 40477 and 40490 is 1638913730.

LCM(40477,40490) = 1638913730

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Least Common Multiple of 40477 and 40490 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40477 and 40490, than apply into the LCM equation.

GCF(40477,40490) = 1
LCM(40477,40490) = ( 40477 × 40490) / 1
LCM(40477,40490) = 1638913730 / 1
LCM(40477,40490) = 1638913730

Least Common Multiple (LCM) of 40477 and 40490 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40477 and 40490. First we will calculate the prime factors of 40477 and 40490.

Prime Factorization of 40477

Prime factors of 40477 are 17, 2381. Prime factorization of 40477 in exponential form is:

40477 = 171 × 23811

Prime Factorization of 40490

Prime factors of 40490 are 2, 5, 4049. Prime factorization of 40490 in exponential form is:

40490 = 21 × 51 × 40491

Now multiplying the highest exponent prime factors to calculate the LCM of 40477 and 40490.

LCM(40477,40490) = 171 × 23811 × 21 × 51 × 40491
LCM(40477,40490) = 1638913730