297 x 420 x 2 = 0
(297 x 420) = 124740
(124740) x 2 = 249480
420 = 2 x 2 x 3 x 5 x 7
2 x 2 x 3 x 5 x 7 = 420
420 = 2 x 2 x 3 x 5 x 7
2 x 2 x 3 x 5 x 7 = 420
420 has 5 prime factors, four of which are different prime numbers. Prime factors of 420 are 2 x 2 x 5 x 3 x 7.
A5 = 148 x 210mm A4 = 210 x 297mm A3 = 297 x 420mm A2 = 420 x 594mm A1 = 594 x 841mm A0 = 841 x 1189mm 2A0 = 1189 x 1682mm 4A0 = 1682 x 2378mm
420 = 2 * 2 * 3 * 5 * 72 x 2 x 3 x 5 x 7 = 420
420 = 2 x 2 x 3 x 5 x 7
Equation: x^2+x=420 x^2+x-420=0 Using the quadratic formula, x=(-1+sqrt(1+4*420))/2 x=(-1-sqrt(1+4*420))/2 x=20 or -21
420 = 22 x 3 x 5 x 7
2 x 2 x 3 x 5 x 7 = 420
2 x 2 x 3 x 5 x 7 = 420
2 x 2 x 3 x 5 x 7 = 420
420 = 2 x 2 x 3 x 5 x 7
The prime factorization of 420 is: 2 x 2 x 3 x 5 x 7
2 x 2 x 3 x 5 x 7 = 420
420 = 2 x 2 x 3 x 5 x 7