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find factors

Study Slideshow

Factors of 18

1,2,3,6,9,18

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Prime factors of 36

2,3

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common factors of 25 and 15

1,5

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first 5 multiples of 6

6,12,18,24,30

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factors of 20

1,2,4,5,10,20

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numbers which are multiples of 70: 230, 140, 280, 330, 490, 610

140,280,490

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All prime numbers till 30

2,3,5,7,11,13,17,23,29

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Is this a twin prime pair? 41,43

yes

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Are these numbers co-prime? 14,25

yes

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Are multiples of 4 always even?

yes

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A Prime number between 44 and 50?

47

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A Prime number between 44 and 50?

47

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An even prime number.

2

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I am a multiple of 70. I am between 300 and 500. I am 20 more than a multiple of 100. Who am I?

420

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HCF OF 12, 16

4

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