441 = 3 x 3 x 7 x 7 OR 32 x 72
3*5*5
The Prime Factors of 441 are 3, 7
154 = 2 x 7 x 11
no, 21*21=441
No, prime numbers refer to whole numbers, not decimals.
441 = 3 * 3 * 7 * 7
3 and 5 are both prime and so the prime factorisations are:3 = 3, and 5 = 5.
32 x 72 = 441
3x3x7x7
The factors of 441 are: 1 3 7 9 21 49 63 147 441 The prime factors are: 3, 7
2 + 3 + 5 + 431 = 441
It is: 3*3*7*7 = 441