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stepladder [879]
3 years ago
14

Which number is prime? 63 51 61 57

Mathematics
1 answer:
kondor19780726 [428]3 years ago
7 0
Hey there!

No numbers go into a prime number other than one and that number. 9 and 7 go into 63, so it’s not 63. 3 and 17 go into 51, so it’s not 51. 19 and 3 go into 57, so it’s not 57. That leaves 61. Nothing goes into this other than one and 61, so the answer is 61.

I hope this helps!
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