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Secondary 1 | Maths
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Primes, highest common factors and lowest common multiples
Date Posted: 4 years ago
Views: 233
250 have bases of 2 and 5, and in fact is 2 x 5 x 5 x 5. So p can be 2 or 5.
The largest possible sum p + q is 1 + 250 = 251, which upon inspection is a prime number.
The largest possible sum p + q is 1 + 250 = 251, which upon inspection is a prime number.
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