17 lines
364 B
PHP
17 lines
364 B
PHP
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<?php
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/*
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The first two consecutive numbers to have two distinct prime factors are:
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14 = 2 * 7
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15 = 3 * 5
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The first three consecutive numbers to have three distinct prime factors are:
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644 = 2^2 * 7 * 23
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645 = 3 * 5 * 43
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646 = 2 * 17 * 19
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Find the first four consecutive integers to have four distinct prime factors each. What is the first of these numbers?
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*/
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