Factors of 1290
2026-02-28 08:35 Diff

The factor tree is the graphical representation of breaking down any number into prime factors. The following step shows -

Step 1: Firstly, 1290 is divided by 2 to get 645.

Step 2: Now divide 645 by 3 to get 215.

Step 3: Then divide 215 by 5 to get 43.

Step 4: Here, 43 is a prime number, and it cannot be divided anymore.

So, the prime factorization of 1290 is: 2 × 3 × 5 × 43.

Factor Pairs Two numbers that are multiplied to give a specific number are called factor pairs.

Both positive and negative factors constitute factor pairs.

Positive factor pairs of 1290: (1, 1290), (2, 645), (3, 430), (5, 258), (6, 215), (10, 129), (15, 86), and (18, 43).

Negative factor pairs of 1290: (-1, -1290), (-2, -645), (-3, -430), (-5, -258), (-6, -215), (-10, -129), (-15, -86), and (-18, -43).