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What is the Least Common Multiple of 91510 and 91522?

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 91510 and 91522 is 4187589110.

LCM(91510,91522) = 4187589110

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Least Common Multiple of 91510 and 91522 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91510 and 91522, than apply into the LCM equation.

GCF(91510,91522) = 2
LCM(91510,91522) = ( 91510 × 91522) / 2
LCM(91510,91522) = 8375178220 / 2
LCM(91510,91522) = 4187589110

Least Common Multiple (LCM) of 91510 and 91522 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91510 and 91522. First we will calculate the prime factors of 91510 and 91522.

Prime Factorization of 91510

Prime factors of 91510 are 2, 5, 9151. Prime factorization of 91510 in exponential form is:

91510 = 21 × 51 × 91511

Prime Factorization of 91522

Prime factors of 91522 are 2, 67, 683. Prime factorization of 91522 in exponential form is:

91522 = 21 × 671 × 6831

Now multiplying the highest exponent prime factors to calculate the LCM of 91510 and 91522.

LCM(91510,91522) = 21 × 51 × 91511 × 671 × 6831
LCM(91510,91522) = 4187589110