No, as 21 x 7 = 147
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No, it is not a prime. 147=3*7*7.
1,3,7,21,49,147 1, & 147 is not the only factors of 147 because 147 is not prime
Prime factorization of 147 3*77 3x7x7
The smallest prime number that will divide 147 evenly is three.
The 6 factors of 147 are 1, 3, 7, 21, 49, and 147. The factor pairs of 147 are 1 x 147, 3 x 49, and 7 x 21. The prime factors of 147 and 3, 7, and 7. The prime factorization of 147 is 3 x 7 x 7 or, in index form (in other words, using exponents), 3 x 72.The prime factors of 147 are: 3 and 7