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Mathematics
Guerrero
5 July, 22:02
2 Show that 49 is not a prime number.
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Alessandra Rocha
5 July, 23:55
0
Hello!
49 is not a prime number because it can be multiplied in 2 ways.
1) 49*1=49
2) 7*7=49
All Prime numbers can be only be multiplied by 1
Prime Numbers
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, etc.
Composite Numbers
4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 60, 62, 63, 64, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77, 78, 80, 81, 82, 84, 85, 86, 87, 88, 90, 91, 92, 93, 94, 95, 96, 98, 99, 100, etc.
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Julie
6 July, 01:07
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49 is not a prime number bc a prime number is a number that can only be multiplied by 1 nd itself but 49 can be multiplied by 7 nd 7; 1 nd 49
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