the lcm of 2³×3²×5×11,2⁴×3⁴×5²×7,and2⁵×3³×5³×7²×11
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remember if we have to take the lcm of anything we have to first
- take the highest exponent out of every no. from the number's prime factorisation and have multiply them
lcm =2^5× 3^4× 5^3× 7^2× 11
=32×81×125×49×11
=18,11,04,000
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Given: 2³×3²×5×11, 2⁴×3⁴×5²×7 and 2⁵×3³×5³×7²×11
To find: LCM of the given expressions
Solution:
We have been given three expressions representing three numbers as the product of their prime factors.
∴ 2³×3²×5×11
∴ 2⁴×3⁴×5²×7 and
∴ 2⁵×3³×5³×7²×11
We know that LCM of given numbers is the product of maximum frequencies of all the numbers involved in all prime factorizations.
∴ LCM = 2⁵ × 3⁴ × 5³ × 7² × 11
= 32 × 81 × 125 × 49 × 11
= 174636000
Hence, LCM of the given expressions is 174636000
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