What is the Least Common Multiple of 698 and 710?
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 698 and 710 is 247790.
LCM(698,710) = 247790
Least Common Multiple of 698 and 710 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 698 and 710, than apply into the LCM equation.
GCF(698,710) = 2
LCM(698,710) = ( 698 × 710) / 2
LCM(698,710) = 495580 / 2
LCM(698,710) = 247790
Least Common Multiple (LCM) of 698 and 710 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 698 and 710. First we will calculate the prime factors of 698 and 710.
Prime Factorization of 698
Prime factors of 698 are 2, 349. Prime factorization of 698 in exponential form is:
698 = 21 × 3491
Prime Factorization of 710
Prime factors of 710 are 2, 5, 71. Prime factorization of 710 in exponential form is:
710 = 21 × 51 × 711
Now multiplying the highest exponent prime factors to calculate the LCM of 698 and 710.
LCM(698,710) = 21 × 3491 × 51 × 711
LCM(698,710) = 247790
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