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What is the Least Common Multiple of 42077 and 42090?

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 42077 and 42090 is 1771020930.

LCM(42077,42090) = 1771020930

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Least Common Multiple of 42077 and 42090 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42077 and 42090, than apply into the LCM equation.

GCF(42077,42090) = 1
LCM(42077,42090) = ( 42077 × 42090) / 1
LCM(42077,42090) = 1771020930 / 1
LCM(42077,42090) = 1771020930

Least Common Multiple (LCM) of 42077 and 42090 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42077 and 42090. First we will calculate the prime factors of 42077 and 42090.

Prime Factorization of 42077

Prime factors of 42077 are 7, 6011. Prime factorization of 42077 in exponential form is:

42077 = 71 × 60111

Prime Factorization of 42090

Prime factors of 42090 are 2, 3, 5, 23, 61. Prime factorization of 42090 in exponential form is:

42090 = 21 × 31 × 51 × 231 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 42077 and 42090.

LCM(42077,42090) = 71 × 60111 × 21 × 31 × 51 × 231 × 611
LCM(42077,42090) = 1771020930