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What is the Least Common Multiple of 90761 and 90769?

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 90761 and 90769 is 8238285209.

LCM(90761,90769) = 8238285209

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Least Common Multiple of 90761 and 90769 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90761 and 90769, than apply into the LCM equation.

GCF(90761,90769) = 1
LCM(90761,90769) = ( 90761 × 90769) / 1
LCM(90761,90769) = 8238285209 / 1
LCM(90761,90769) = 8238285209

Least Common Multiple (LCM) of 90761 and 90769 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90761 and 90769. First we will calculate the prime factors of 90761 and 90769.

Prime Factorization of 90761

Prime factors of 90761 are 11, 37, 223. Prime factorization of 90761 in exponential form is:

90761 = 111 × 371 × 2231

Prime Factorization of 90769

Prime factors of 90769 are 7, 12967. Prime factorization of 90769 in exponential form is:

90769 = 71 × 129671

Now multiplying the highest exponent prime factors to calculate the LCM of 90761 and 90769.

LCM(90761,90769) = 111 × 371 × 2231 × 71 × 129671
LCM(90761,90769) = 8238285209