42
A question of prime factors... The answer is 2 x 2 x 3 x 5 x 7 = 420 2 x 2 x 3 x 5 x 7 gives us a factor of 2... 2 x 2 x 3 x 5 x 7 and of 3... 2 x 2 x 3 x 5 x 7 and of 4... 2 x 2 x 3 x 5 x 7 and of 5... 2 x 2 x 3 x 5 x 7 and of 6... 2 x 2 x 3 x 5 x 7 and of 7.
252 28 x 9 7 x 4 x 3 x 3 7 x 2 x 2 x 3 x 3 or 252 12 x 21 3 x 4 x 7 x 3 3 x 2 x 2 x 7 x 3 or 252 14 x 42 7 x 2 x 21 x 2 7 x 2 x 7 x 3 x 2
The prime factors of 462 are: 2, 3, 7 and 11.
504.28 = 7 x 2 x 258 = 7 x 2 x 2 x 263 = 7 x 3 x 3so you need to multiply 7 x 2 x 2 x 2 x 3 x 3 = 504
168=2*2*2*7*32 x 2 x 2 x 3 x 7
Prime factors are 2, 2, 2, 3, 7, 7 Factors are any combination of the above, i.e. 2 x 2 = 4 2 x 3 = 6 2 x 7 = 14 3 x 7 = 21 7 x 7 = 49 2 x 2 x 2 = 8 2 x 2 x 3 = 12 2 x 2 x 7 = 28 2 x 3 x 7 = 42 2 x 7 x 7 = 98 3 x 7 x 7 = 147 2 x 2 x 2 x 3 = 24 2 x 2 x 2 x 7 = 56 2 x 2 x 3 x 7 = 84 2 x 2 x 7 x 7 = 196 2 x 3 x 7 x 7 = 294 2 x 2 x 2 x 3 x 7 = 168 2 x 2 x 2 x 7 x 7 = 392 2 x 2 x 3 x 7 x 7 = 588
2, 3 and 7 are prime factors of 84. The prime factorization is 2 x 2 x 3 x 7.
2 x 3 x 3 x 7 x 7 = 882 2 x 2 x 2 x 3 x 7 x 7 x 7 = 8232 2 x 2 x 2 x 3 x 3 x 7 x 7 x 7 = 24696, the LCM
In index form, 378 = 2 x 3 x 3 x 3 x 7 = 2 x 33 x 7
A question of prime factors... The answer is 2 x 2 x 3 x 5 x 7 = 420 2 x 2 x 3 x 5 x 7 gives us a factor of 2... 2 x 2 x 3 x 5 x 7 and of 3... 2 x 2 x 3 x 5 x 7 and of 4... 2 x 2 x 3 x 5 x 7 and of 5... 2 x 2 x 3 x 5 x 7 and of 6... 2 x 2 x 3 x 5 x 7 and of 7.
252 28 x 9 7 x 4 x 3 x 3 7 x 2 x 2 x 3 x 3 or 252 12 x 21 3 x 4 x 7 x 3 3 x 2 x 2 x 7 x 3 or 252 14 x 42 7 x 2 x 21 x 2 7 x 2 x 7 x 3 x 2
2 x 6174 2 x 2 x 3087 2 x 2 x 3 x 1029 2 x 2 x 3 x 3 x 343 2 x 2 x 3 x 3 x 7 x 49 2 x 2 x 3 x 3 x 7 x 7 x 7
2 x 2 x 2 x 3 x 3 x 72 x 2 x 2 x 3 x 3 x 7 = 504Answer 2 * 2 * 2 * 3 * 3*7 = 504The prime factorization of 504 is 2 x 2 x 2 x 3 x 3 x 7
Factor Tree: 294 2 x 147 2 x 3 x 49 2 x 3 x 7 x 7 The prime factorization of 294 is 2 x 3 x 7 x 7 or 2 x 3 x 72.
2 x 2 x 3 x 7 x 7 x 11 2 x 2 x 3 x 3 x 7 The GCF is 2 x 2 x 3 x 7
The LCM of 2^3 x 3 x 7 and 2^2 x 3^2 x 7 is 2^3 x 3^2 x 7 The LCM of 168 and 252 is 504
Bad example. 42 is a factor of 126. Therefore 126 has to be the LCM. By the numbers... 2 x 3 x 7 = 42 2 x 3 x 3 x 7 = 126, the LCM