russelldawson04 russelldawson04

07-07-2020
Mathematics

contestada

Which of these numbers is prime? 13, 30, 49, 65, 87

Respuesta :

MiaJaramillo2020 MiaJaramillo2020

07-07-2020

Answer: 13

Explanation: 13 = prime
30 = composite
49 = composite
65 = composite
87 = composite

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hguptha hguptha

07-07-2020

Answer:

13

Step-by-step explanation:

factors of 13 : 1, 13

factors of 30: 1, 2, 3, 5, 6, 10, 15, 30

factors of 49: 1, 7, 49

factors of 65: 1, 5, 13, 65

factors of 87: 1, 3, 29, 87

Answer Link

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