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What is the Least Common Multiple of 91479 and 91490?

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 91479 and 91490 is 8369413710.

LCM(91479,91490) = 8369413710

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Least Common Multiple of 91479 and 91490 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91479 and 91490, than apply into the LCM equation.

GCF(91479,91490) = 1
LCM(91479,91490) = ( 91479 × 91490) / 1
LCM(91479,91490) = 8369413710 / 1
LCM(91479,91490) = 8369413710

Least Common Multiple (LCM) of 91479 and 91490 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91479 and 91490. First we will calculate the prime factors of 91479 and 91490.

Prime Factorization of 91479

Prime factors of 91479 are 3, 30493. Prime factorization of 91479 in exponential form is:

91479 = 31 × 304931

Prime Factorization of 91490

Prime factors of 91490 are 2, 5, 7, 1307. Prime factorization of 91490 in exponential form is:

91490 = 21 × 51 × 71 × 13071

Now multiplying the highest exponent prime factors to calculate the LCM of 91479 and 91490.

LCM(91479,91490) = 31 × 304931 × 21 × 51 × 71 × 13071
LCM(91479,91490) = 8369413710