Hi there!
210 as a product of its prime factors:
2*3*5*7
Keep in mind that prime numbers are only divisible by 1 and themselves.
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2 - divisible by 1 and itself, so it's prime
3 - divisible by 1 and itself, so it's prime as well
5 - divisible by 1 and itself, so it's prime
7 - divisible by 1 and itself, so it's prime
Hope this helps you!
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Answer:
i would pick option c
because i wrote the question down and answered it your welcome
15000 because 15kg x 1000 = 15000g