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.
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As a product of its prime factors: 2*2*3*5*7 = 420
It is: 2*2*3*5*7 = 420
How about: 101+103+107+109 = 420
420
420 = 2 x 2 x 3 x 5 x 7