1x630 15x42
2x315 18x35
3x210 21x30
5x126
6x105
7x90
9x70
10x63
14x45
630 has 24 factors.
As a product of its prime factors: 2*3*3*5*7 = 630
is the answer (1,2,3,5,6)
The prime factors of 630 are: 2, 3, 5, 7
The factors of 630 are: 1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630.
It is: 2*3*3*5*7 = 630
-14 and -21
As a product of its prime factors: 2*32*5*7 = 630
The easiest factor pairs are ( 1 x 630 ) and ( 10 x 63 ).
The factors of 630 are 1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, and 630.
630 has 24 factors: 1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, and 630.
180 = 22 x 32 x 5 630 = 2 x 32 x 5 x 7 So the common prime factors are 2, 32 & 5 The hcf of 180 and 630 = 2 x 32 x 5 = 90 (take lowest power of all primes) The LCM of 180 and 630 = 22 x 32 x 5 x 7 = 1260 (take highest power of all primes)