Monday, 25 January 2010
Prime No.s (2)
Textbook p9 #25:
The Prime factorisation of a number is 2^4 X 3^5 X 7^2 X 11.
Write down 3 factors of the number that are greater than 100.
2x7x11=154
3x5x7=105
7x3x11=231
Textbook p9 #26:
The Prime factorisation of two numbers are 2 X 3^2 X 7^3 X 13 and 3 X 7^2 X 13^3 X 17 .
Write down 3 common factors of the numbers. 3,7,13
// posted by Darryl Epsilon Lam @ Monday, January 25, 2010 
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