There are factor trees, fireworks, rainbows, etc., but those are just differences in notation. The unique prime factorization of 260 is 2 x 2 x 5 x 13.
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11 x 13 = 143 3 x 5 x 13 = 195 2 x 2 x 5 x 13 = 260
2 x 2 x 3 x 3 x 5 x 7 = 1260
Prime factorization of:260 : 2 x 2 x 5 x 13150: 2 x .....5x.......3 x 5=================GCF: 2 x.....5GCF: 2 x 5 = 10
2 x 2 x 3 x 3 x 5 x 7 = 1260
No, prime numbers must have exactly two divisors which result in an integer dividend; these numbers are one (1) and the number itself. Since 260 is an even number it has two (2) as a such a divisor. Thus, it has more than two and is not prime.