Respuesta :

749, when you do the stem leaf plot, you get that
melhunt99
749 is divisible by 7 and 107, so that's out. 299 is a product of 13 and 23, so that ones also out. And 989 is divisible by 23 and 43. Which leaves 1009, divisible only by 1 and 1009 :)

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